diff --git a/cms/djangoapps/api/v1/tests/test_serializers/test_course_runs.py b/cms/djangoapps/api/v1/tests/test_serializers/test_course_runs.py
index c648b2e5b875..0ae745399c78 100644
--- a/cms/djangoapps/api/v1/tests/test_serializers/test_course_runs.py
+++ b/cms/djangoapps/api/v1/tests/test_serializers/test_course_runs.py
@@ -3,7 +3,6 @@
 
 import datetime
 import ddt
-import pytz
 from django.test import RequestFactory
 
 from common.djangoapps.student.roles import CourseInstructorRole, CourseStaffRole
@@ -11,6 +10,7 @@
 from openedx.core.lib.courses import course_image_url
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.tests.factories import CourseFactory  # lint-amnesty, pylint: disable=wrong-import-order
+from zoneinfo import ZoneInfo
 
 from ...serializers.course_runs import CourseRunSerializer
 from ..utils import serialize_datetime
@@ -22,7 +22,7 @@ class CourseRunSerializerTests(ModuleStoreTestCase):  # lint-amnesty, pylint: di
     def setUp(self):
         super().setUp()
 
-        self.course_start = datetime.datetime.now(pytz.UTC)
+        self.course_start = datetime.datetime.now(ZoneInfo("UTC"))
         self.course_end = self.course_start + datetime.timedelta(days=30)
 
         self.request = RequestFactory().get('')
diff --git a/cms/djangoapps/api/v1/tests/test_views/test_course_runs.py b/cms/djangoapps/api/v1/tests/test_views/test_course_runs.py
index 78261a421424..ea0afb3d4bee 100644
--- a/cms/djangoapps/api/v1/tests/test_views/test_course_runs.py
+++ b/cms/djangoapps/api/v1/tests/test_views/test_course_runs.py
@@ -5,7 +5,6 @@
 from unittest.mock import patch  # lint-amnesty, pylint: disable=unused-import
 
 import ddt
-import pytz
 from django.core.files.uploadedfile import SimpleUploadedFile
 from django.test import RequestFactory, override_settings
 from django.urls import reverse
@@ -22,6 +21,7 @@
 from xmodule.modulestore.django import modulestore  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.tests.factories import CourseFactory, ToyCourseFactory  # lint-amnesty, pylint: disable=wrong-import-order
+from zoneinfo import ZoneInfo
 
 from ...serializers.course_runs import CourseRunSerializer
 from ..utils import serialize_datetime
@@ -117,7 +117,7 @@ def test_update(self):
         assert CourseAccessRole.objects.filter(course_id=course_run.id).count() == 0
 
         url = reverse('api:v1:course_run-detail', kwargs={'pk': str(course_run.id)})
-        start = datetime.datetime.now(pytz.UTC).replace(microsecond=0)
+        start = datetime.datetime.now(ZoneInfo("UTC")).replace(microsecond=0)
         end = start + datetime.timedelta(days=30)
         title = 'A New Testing Strategy'
         user = UserFactory()
@@ -165,7 +165,7 @@ def test_update_with_pacing_type(self):
         """
         Test that update run updates the pacing type
         """
-        start = datetime.datetime.now(pytz.UTC).replace(microsecond=0)
+        start = datetime.datetime.now(ZoneInfo("UTC")).replace(microsecond=0)
         course_run = CourseFactory(start=start, end=None, self_paced=False)
         data = {
             'pacing_type': 'self_paced',
@@ -183,7 +183,7 @@ def test_update_with_instructor_role(self):
         Test that update creates a new instructor role only if it does not exist
         """
         instructor_role = 'instructor'
-        start = datetime.datetime.now(pytz.UTC).replace(microsecond=0)
+        start = datetime.datetime.now(ZoneInfo("UTC")).replace(microsecond=0)
         new_user = UserFactory()
         course_run = CourseFactory(start=start, end=None, self_paced=False)
         assert CourseAccessRole.objects.filter(course_id=course_run.id).count() == 0
@@ -214,7 +214,7 @@ def test_update_with_multiple_roles(self):
         """
         staff_role = 'staff'
         instructor_role = 'instructor'
-        start = datetime.datetime.now(pytz.UTC).replace(microsecond=0)
+        start = datetime.datetime.now(ZoneInfo("UTC")).replace(microsecond=0)
         course_run = CourseFactory(start=start, end=None, self_paced=False)
 
         existing_user = UserFactory()
@@ -255,7 +255,7 @@ def test_update_with_multiple_roles(self):
     def test_create(self, pacing_type, expected_self_paced_value):
         """Tests successful course run creation"""
         user = UserFactory()
-        start = datetime.datetime.now(pytz.UTC).replace(microsecond=0)
+        start = datetime.datetime.now(ZoneInfo("UTC")).replace(microsecond=0)
         end = start + datetime.timedelta(days=30)
         role = 'staff'
         data = self.get_course_run_data(user, start, end, pacing_type, role)
@@ -280,7 +280,7 @@ def test_create_with_invalid_course_team(self):
         with expected validation message
         """
         user = UserFactory()
-        start = datetime.datetime.now(pytz.UTC).replace(microsecond=0)
+        start = datetime.datetime.now(ZoneInfo("UTC")).replace(microsecond=0)
         end = start + datetime.timedelta(days=30)
         data = self.get_course_run_data(user, start, end, 'self-paced')
         data['team'] = [{'user': 'invalid-username'}]
@@ -334,7 +334,7 @@ def test_rerun(self, pacing_type, expected_self_paced_value, number):
             'short_name': original_course_run.id.org,  # lint-amnesty, pylint: disable=no-member
             'description': 'Testing Organization Description',
         })
-        start = datetime.datetime.now(pytz.UTC).replace(microsecond=0)
+        start = datetime.datetime.now(ZoneInfo("UTC")).replace(microsecond=0)
         end = start + datetime.timedelta(days=30)
         user = UserFactory()
         role = 'instructor'
diff --git a/cms/djangoapps/contentstore/api/views/course_validation.py b/cms/djangoapps/contentstore/api/views/course_validation.py
index be5208430a18..867d6c915453 100644
--- a/cms/djangoapps/contentstore/api/views/course_validation.py
+++ b/cms/djangoapps/contentstore/api/views/course_validation.py
@@ -2,7 +2,6 @@
 import logging
 
 import dateutil
-from pytz import UTC
 from rest_framework.generics import GenericAPIView
 from rest_framework.response import Response
 
@@ -13,6 +12,7 @@
 from xmodule.modulestore.django import modulestore  # lint-amnesty, pylint: disable=wrong-import-order
 
 from .utils import course_author_access_required, get_bool_param
+from zoneinfo import ZoneInfo
 
 log = logging.getLogger(__name__)
 
@@ -260,34 +260,34 @@ def _get_open_responses(self, course, graded_only):
 
     def _has_date_before_start(self, ora, start):  # lint-amnesty, pylint: disable=missing-function-docstring
         if ora.submission_start:
-            if dateutil.parser.parse(ora.submission_start).replace(tzinfo=UTC) < start:
+            if dateutil.parser.parse(ora.submission_start).replace(tzinfo=ZoneInfo("UTC")) < start:
                 return True
         if ora.submission_due:
-            if dateutil.parser.parse(ora.submission_due).replace(tzinfo=UTC) < start:
+            if dateutil.parser.parse(ora.submission_due).replace(tzinfo=ZoneInfo("UTC")) < start:
                 return True
         for assessment in ora.rubric_assessments:
             if assessment['start']:
-                if dateutil.parser.parse(assessment['start']).replace(tzinfo=UTC) < start:
+                if dateutil.parser.parse(assessment['start']).replace(tzinfo=ZoneInfo("UTC")) < start:
                     return True
             if assessment['due']:
-                if dateutil.parser.parse(assessment['due']).replace(tzinfo=UTC) < start:
+                if dateutil.parser.parse(assessment['due']).replace(tzinfo=ZoneInfo("UTC")) < start:
                     return True
 
         return False
 
     def _has_date_after_end(self, ora, end):  # lint-amnesty, pylint: disable=missing-function-docstring
         if ora.submission_start:
-            if dateutil.parser.parse(ora.submission_start).replace(tzinfo=UTC) > end:
+            if dateutil.parser.parse(ora.submission_start).replace(tzinfo=ZoneInfo("UTC")) > end:
                 return True
         if ora.submission_due:
-            if dateutil.parser.parse(ora.submission_due).replace(tzinfo=UTC) > end:
+            if dateutil.parser.parse(ora.submission_due).replace(tzinfo=ZoneInfo("UTC")) > end:
                 return True
         for assessment in ora.rubric_assessments:
             if assessment['start']:
-                if dateutil.parser.parse(assessment['start']).replace(tzinfo=UTC) > end:
+                if dateutil.parser.parse(assessment['start']).replace(tzinfo=ZoneInfo("UTC")) > end:
                     return True
             if assessment['due']:
-                if dateutil.parser.parse(assessment['due']).replace(tzinfo=UTC) > end:
+                if dateutil.parser.parse(assessment['due']).replace(tzinfo=ZoneInfo("UTC")) > end:
                     return True
         return False
 
diff --git a/cms/djangoapps/contentstore/management/commands/tests/test_clean_stale_certificate_availability_dates.py b/cms/djangoapps/contentstore/management/commands/tests/test_clean_stale_certificate_availability_dates.py
index 42b3ca408aa2..bf335e42c58b 100644
--- a/cms/djangoapps/contentstore/management/commands/tests/test_clean_stale_certificate_availability_dates.py
+++ b/cms/djangoapps/contentstore/management/commands/tests/test_clean_stale_certificate_availability_dates.py
@@ -4,7 +4,6 @@
 from datetime import datetime, timedelta
 
 from django.core.management import CommandError, call_command
-import pytz
 
 from cms.djangoapps.contentstore.models import CleanStaleCertificateAvailabilityDatesConfig
 from openedx.core.lib.courses import get_course_by_id
@@ -12,6 +11,7 @@
 from xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory
+from zoneinfo import ZoneInfo
 
 
 class CleanStaleCertAvailableDateTests(ModuleStoreTestCase):
@@ -26,7 +26,7 @@ def setUp(self):
         self.instructor_paced_course1 = CourseFactory()
 
         # set the self-paced courses to self-paced, create and insert an invalid certificate available date for them
-        self.certificate_available_date = datetime.now(pytz.UTC) + timedelta(days=30)
+        self.certificate_available_date = datetime.now(ZoneInfo("UTC")) + timedelta(days=30)
         self.self_paced_course1.self_paced = True
         self.self_paced_course1.certificate_available_date = self.certificate_available_date
         self.self_paced_course2.self_paced = True
diff --git a/cms/djangoapps/contentstore/rest_api/v1/views/tests/test_home.py b/cms/djangoapps/contentstore/rest_api/v1/views/tests/test_home.py
index cd7592c46629..626101b3ea4d 100644
--- a/cms/djangoapps/contentstore/rest_api/v1/views/tests/test_home.py
+++ b/cms/djangoapps/contentstore/rest_api/v1/views/tests/test_home.py
@@ -5,7 +5,6 @@
 from datetime import datetime, timedelta
 
 import ddt
-import pytz
 from django.conf import settings
 from django.test import override_settings
 from django.urls import reverse
@@ -21,6 +20,7 @@
 from cms.djangoapps.modulestore_migrator.tests.factories import ModulestoreSourceFactory
 from openedx.core.djangoapps.content.course_overviews.tests.factories import CourseOverviewFactory
 from openedx.core.djangoapps.content_libraries import api as lib_api
+from zoneinfo import ZoneInfo
 
 
 @ddt.ddt
@@ -197,7 +197,7 @@ def test_filter_and_ordering_courses(
             display_name="Course (Demo)",
             id=archived_course_key,
             org=archived_course_key.org,
-            end=(datetime.now() - timedelta(days=365)).replace(tzinfo=pytz.UTC),
+            end=(datetime.now() - timedelta(days=365)).replace(tzinfo=ZoneInfo("UTC")),
         )
         active_course_key = self.store.make_course_key("sample-org", "sample-number", "sample-run")
         CourseOverviewFactory.create(
diff --git a/cms/djangoapps/contentstore/rest_api/v2/views/tests/test_home.py b/cms/djangoapps/contentstore/rest_api/v2/views/tests/test_home.py
index 6a51610ac9f2..615aadf6e174 100644
--- a/cms/djangoapps/contentstore/rest_api/v2/views/tests/test_home.py
+++ b/cms/djangoapps/contentstore/rest_api/v2/views/tests/test_home.py
@@ -6,7 +6,6 @@
 from datetime import datetime, timedelta
 
 import ddt
-import pytz
 from django.conf import settings
 from django.urls import reverse
 from rest_framework import status
@@ -14,6 +13,7 @@
 from cms.djangoapps.contentstore.tests.utils import CourseTestCase
 from cms.djangoapps.contentstore.utils import reverse_course_url
 from openedx.core.djangoapps.content.course_overviews.tests.factories import CourseOverviewFactory
+from zoneinfo import ZoneInfo
 
 
 @ddt.ddt
@@ -36,7 +36,7 @@ def setUp(self):
             display_name="Demo Course (Sample)",
             id=archived_course_key,
             org=archived_course_key.org,
-            end=(datetime.now() - timedelta(days=365)).replace(tzinfo=pytz.UTC),
+            end=(datetime.now() - timedelta(days=365)).replace(tzinfo=ZoneInfo("UTC")),
         )
         self.non_staff_client, _ = self.create_non_staff_authed_user_client()
 
@@ -256,7 +256,7 @@ def test_filter_and_ordering_courses(
             display_name="Course (Demo)",
             id=archived_course_key,
             org=archived_course_key.org,
-            end=(datetime.now() - timedelta(days=365)).replace(tzinfo=pytz.UTC),
+            end=(datetime.now() - timedelta(days=365)).replace(tzinfo=ZoneInfo("UTC")),
         )
         active_course_key = self.store.make_course_key("foo-org", "foo-number", "foo-run")
         CourseOverviewFactory.create(
diff --git a/cms/djangoapps/contentstore/signals/handlers.py b/cms/djangoapps/contentstore/signals/handlers.py
index e28cbf313acb..d9a4dd32bb4f 100644
--- a/cms/djangoapps/contentstore/signals/handlers.py
+++ b/cms/djangoapps/contentstore/signals/handlers.py
@@ -29,7 +29,6 @@
     XBLOCK_DELETED,
     XBLOCK_UPDATED,
 )
-from pytz import UTC
 
 from cms.djangoapps.contentstore.courseware_index import (
     CourseAboutSearchIndexer,
@@ -45,6 +44,7 @@
 from xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.django import SignalHandler, modulestore
 from xmodule.modulestore.exceptions import ItemNotFoundError
+from zoneinfo import ZoneInfo
 
 from ..models import ComponentLink, ContainerLink
 from ..tasks import (
@@ -156,7 +156,9 @@ def listen_for_course_publish(sender, course_key, **kwargs):  # pylint: disable=
 
     # Kick off a courseware indexing action after the data is ready
     if CoursewareSearchIndexer.indexing_is_enabled() and CourseAboutSearchIndexer.indexing_is_enabled():
-        transaction.on_commit(lambda: update_search_index.delay(course_key_str, datetime.now(UTC).isoformat()))
+        transaction.on_commit(
+            lambda: update_search_index.delay(course_key_str, datetime.now(ZoneInfo("UTC")).isoformat())
+        )
 
     update_discussions_settings_from_course_task.apply_async(
         args=[course_key_str],
@@ -186,7 +188,7 @@ def listen_for_library_update(sender, library_key, **kwargs):  # pylint: disable
         # import here, because signal is registered at startup, but items in tasks are not yet able to be loaded
         from cms.djangoapps.contentstore.tasks import update_library_index
 
-        update_library_index.delay(str(library_key), datetime.now(UTC).isoformat())
+        update_library_index.delay(str(library_key), datetime.now(ZoneInfo("UTC")).isoformat())
 
 
 @receiver(SignalHandler.item_deleted)
diff --git a/cms/djangoapps/contentstore/tasks.py b/cms/djangoapps/contentstore/tasks.py
index 13c72ff3391a..4cea64eb05ca 100644
--- a/cms/djangoapps/contentstore/tasks.py
+++ b/cms/djangoapps/contentstore/tasks.py
@@ -42,7 +42,6 @@
 from organizations.exceptions import InvalidOrganizationException
 from organizations.models import Organization
 from path import Path as path
-from pytz import UTC
 from user_tasks.models import UserTaskArtifact, UserTaskStatus
 from user_tasks.tasks import UserTask
 
@@ -93,6 +92,7 @@
 from xmodule.modulestore.xml_importer import CourseImportException, import_course_from_xml, import_library_from_xml
 from xmodule.tabs import StaticTab
 from xmodule.util.keys import BlockKey
+from zoneinfo import ZoneInfo
 
 from .models import ComponentLink, ContainerLink, LearningContextLinksStatus, LearningContextLinksStatusChoices
 from .outlines import update_outline_from_modulestore
@@ -249,7 +249,7 @@ def _parse_time(time_isoformat):
         # remove the +00:00 from the end of the formats generated within the system
         time_isoformat.split('+')[0],
         "%Y-%m-%dT%H:%M:%S.%f"
-    ).replace(tzinfo=UTC)
+    ).replace(tzinfo=ZoneInfo("UTC"))
 
 
 @shared_task
diff --git a/cms/djangoapps/contentstore/tests/test_course_settings.py b/cms/djangoapps/contentstore/tests/test_course_settings.py
index 9afba26b32e5..350775e2a7b6 100644
--- a/cms/djangoapps/contentstore/tests/test_course_settings.py
+++ b/cms/djangoapps/contentstore/tests/test_course_settings.py
@@ -26,7 +26,6 @@
 from edx_toggles.toggles.testutils import override_waffle_flag
 from milestones.models import MilestoneRelationshipType
 from milestones.tests.utils import MilestonesTestCaseMixin
-from pytz import UTC
 
 from cms.djangoapps.contentstore import toggles
 from cms.djangoapps.contentstore.utils import reverse_course_url, reverse_usage_url
@@ -52,6 +51,7 @@
 from xmodule.fields import Date  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.django import modulestore  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.tests.factories import CourseFactory  # lint-amnesty, pylint: disable=wrong-import-order
+from zoneinfo import ZoneInfo
 
 from .utils import AjaxEnabledTestClient, CourseTestCase
 
@@ -84,7 +84,7 @@ def test_pre_1900_date(self):
         doesn't work for these dates.
         """
         details = CourseDetails.fetch(self.course.id)
-        pre_1900 = datetime.datetime(1564, 4, 23, 1, 1, 1, tzinfo=UTC)
+        pre_1900 = datetime.datetime(1564, 4, 23, 1, 1, 1, tzinfo=ZoneInfo("UTC"))
         details.enrollment_start = pre_1900
         dumped_jsondetails = json.dumps(details, cls=CourseSettingsEncoder)
         loaded_jsondetails = json.loads(dumped_jsondetails)
@@ -97,7 +97,7 @@ def test_ooc_encoder(self):
         details = {
             'number': 1,
             'string': 'string',
-            'datetime': datetime.datetime.now(UTC)
+            'datetime': datetime.datetime.now(ZoneInfo("UTC"))
         }
         jsondetails = json.dumps(details, cls=CourseSettingsEncoder)
         jsondetails = json.loads(jsondetails)
@@ -256,12 +256,13 @@ def test_update_and_fetch(self):
         resp = self.client.get_json(url)
         self.compare_details_with_encoding(json.loads(resp.content.decode('utf-8')), details.__dict__, "virgin get")
 
-        self.alter_field(url, details, 'start_date', datetime.datetime(2012, 11, 12, 1, 30, tzinfo=UTC))
-        self.alter_field(url, details, 'start_date', datetime.datetime(2012, 11, 1, 13, 30, tzinfo=UTC))
-        self.alter_field(url, details, 'end_date', datetime.datetime(2013, 2, 12, 1, 30, tzinfo=UTC))
-        self.alter_field(url, details, 'enrollment_start', datetime.datetime(2012, 10, 12, 1, 30, tzinfo=UTC))
-
-        self.alter_field(url, details, 'enrollment_end', datetime.datetime(2012, 11, 15, 1, 30, tzinfo=UTC))
+        self.alter_field(url, details, 'start_date', datetime.datetime(2012, 11, 12, 1, 30, tzinfo=ZoneInfo("UTC")))
+        self.alter_field(url, details, 'start_date', datetime.datetime(2012, 11, 1, 13, 30, tzinfo=ZoneInfo("UTC")))
+        self.alter_field(url, details, 'end_date', datetime.datetime(2013, 2, 12, 1, 30, tzinfo=ZoneInfo("UTC")))
+        self.alter_field(
+            url, details, 'enrollment_start', datetime.datetime(2012, 10, 12, 1, 30, tzinfo=ZoneInfo("UTC"))
+        )
+        self.alter_field(url, details, 'enrollment_end', datetime.datetime(2012, 11, 15, 1, 30, tzinfo=ZoneInfo("UTC")))
         self.alter_field(url, details, 'short_description', "Short Description")
         self.alter_field(url, details, 'about_sidebar_html', "About Sidebar HTML")
         self.alter_field(url, details, 'overview', "Overview")
@@ -1501,7 +1502,7 @@ def test_validate_update_does_not_allow_proctoring_provider_changes_after_course
         Only admin users may update the provider if the course has started.
         """
         field_name = "proctoring_provider"
-        course = CourseFactory.create(start=datetime.datetime.now(UTC) - datetime.timedelta(days=1))
+        course = CourseFactory.create(start=datetime.datetime.now(ZoneInfo("UTC")) - datetime.timedelta(days=1))
         user = UserFactory.create(is_staff=staff_user)
 
         did_validate, errors, test_model = CourseMetadata.validate_and_update_from_json(
diff --git a/cms/djangoapps/contentstore/tests/test_courseware_index.py b/cms/djangoapps/contentstore/tests/test_courseware_index.py
index 3ab3fa373f81..38313af694b0 100644
--- a/cms/djangoapps/contentstore/tests/test_courseware_index.py
+++ b/cms/djangoapps/contentstore/tests/test_courseware_index.py
@@ -11,7 +11,6 @@
 import pytest
 from django.conf import settings
 from lazy.lazy import lazy
-from pytz import UTC
 from search.search_engine_base import SearchEngine
 
 from cms.djangoapps.contentstore.courseware_index import (
@@ -37,6 +36,7 @@
 )
 from xmodule.modulestore.tests.factories import CourseFactory, BlockFactory, LibraryFactory  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.partitions.partitions import UserPartition  # lint-amnesty, pylint: disable=wrong-import-order
+from zoneinfo import ZoneInfo
 
 COURSE_CHILD_STRUCTURE = {
     "course": "chapter",
@@ -56,7 +56,7 @@ def create_children(store, parent, category, load_factor):
             display_name=f"{category} {child_index} {time.clock()}",  # lint-amnesty, pylint: disable=no-member
             modulestore=store,
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
         created_count += 1
 
@@ -72,7 +72,7 @@ def create_large_course(store, load_factor):
     load_factor ^ 4 - e.g. load_factor of 10 => 10 chapters, 100
     sequentials, 1000 verticals, 10000 html blocks
     """
-    course = CourseFactory.create(modulestore=store, start=datetime(2015, 3, 1, tzinfo=UTC))
+    course = CourseFactory.create(modulestore=store, start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")))
     with store.bulk_operations(course.id):
         child_count = create_children(store, course, COURSE_CHILD_STRUCTURE["course"], load_factor)
     return course, child_count
@@ -148,7 +148,7 @@ def setup_course_base(self, store):
         """
         self.course = CourseFactory.create(
             modulestore=store,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
             display_name="Search Index Test Course"
         )
 
@@ -158,7 +158,7 @@ def setup_course_base(self, store):
             display_name="Week 1",
             modulestore=store,
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
         self.sequential = BlockFactory.create(
             parent_location=self.chapter.location,
@@ -166,7 +166,7 @@ def setup_course_base(self, store):
             display_name="Lesson 1",
             modulestore=store,
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
         self.vertical = BlockFactory.create(
             parent_location=self.sequential.location,
@@ -174,7 +174,7 @@ def setup_course_base(self, store):
             display_name='Subsection 1',
             modulestore=store,
             publish_item=True,
-            start=datetime(2015, 4, 1, tzinfo=UTC),
+            start=datetime(2015, 4, 1, tzinfo=ZoneInfo("UTC")),
         )
         # unspecified start - should inherit from container
         self.html_unit = BlockFactory.create(
@@ -193,7 +193,7 @@ def reindex_course(self, store):
 
     def index_recent_changes(self, store, since_time):
         """ index course using recent changes """
-        trigger_time = datetime.now(UTC)
+        trigger_time = datetime.now(ZoneInfo("UTC"))
         return CoursewareSearchIndexer.index(
             store,
             self.course.id,
@@ -322,7 +322,7 @@ def _test_time_based_index(self, store):
             display_name='Section 2',
             modulestore=store,
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
 
         # add a new vertical
@@ -341,7 +341,7 @@ def _test_time_based_index(self, store):
             modulestore=store,
         )
 
-        before_time = datetime.now(UTC)
+        before_time = datetime.now(ZoneInfo("UTC"))
         self.publish_item(store, vertical2.location)
         # index based on time, will include an index of the origin sequential
         # because it is in a common subtree but not of the original vertical
@@ -432,7 +432,7 @@ def _test_course_location_null(self, store):
             display_name=None,
             modulestore=store,
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
         # add a new vertical
         vertical2 = BlockFactory.create(
@@ -505,7 +505,7 @@ def test_delete_course_from_search_index_after_course_deletion(self):
         self._test_delete_course_from_search_index_after_course_deletion(self.store)
 
     def test_empty_course(self):
-        empty_course = CourseFactory.create(modulestore=self.store, start=datetime(2015, 3, 1, tzinfo=UTC))
+        empty_course = CourseFactory.create(modulestore=self.store, start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")))
         added_to_index = CoursewareSearchIndexer.do_course_reindex(self.store, empty_course.id)
         assert added_to_index == 0
 
@@ -605,28 +605,28 @@ def setUpClass(cls):
         super().setUpClass()
         SignalHandler.course_published.disconnect(listen_for_course_publish)
         SignalHandler.library_updated.disconnect(listen_for_library_update)
-        cls.course = CourseFactory.create(start=datetime(2015, 3, 1, tzinfo=UTC))
+        cls.course = CourseFactory.create(start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")))
 
         cls.chapter = BlockFactory.create(
             parent_location=cls.course.location,
             category='chapter',
             display_name="Week 1",
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
         cls.sequential = BlockFactory.create(
             parent_location=cls.chapter.location,
             category='sequential',
             display_name="Lesson 1",
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
         cls.vertical = BlockFactory.create(
             parent_location=cls.sequential.location,
             category='vertical',
             display_name='Subsection 1',
             publish_item=True,
-            start=datetime(2015, 4, 1, tzinfo=UTC),
+            start=datetime(2015, 4, 1, tzinfo=ZoneInfo("UTC")),
         )
         # unspecified start - should inherit from container
         cls.html_unit = BlockFactory.create(
@@ -881,7 +881,7 @@ def _setup_course_with_content(self):
             display_name="Week 1",
             modulestore=self.store,
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
 
         self.sequential = BlockFactory.create(
@@ -890,7 +890,7 @@ def _setup_course_with_content(self):
             display_name="Lesson 1",
             modulestore=self.store,
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
 
         self.sequential2 = BlockFactory.create(
@@ -899,7 +899,7 @@ def _setup_course_with_content(self):
             display_name="Lesson 2",
             modulestore=self.store,
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
 
         self.vertical = BlockFactory.create(
@@ -908,7 +908,7 @@ def _setup_course_with_content(self):
             display_name='Subsection 1',
             modulestore=self.store,
             publish_item=True,
-            start=datetime(2015, 4, 1, tzinfo=UTC),
+            start=datetime(2015, 4, 1, tzinfo=ZoneInfo("UTC")),
         )
 
         self.vertical2 = BlockFactory.create(
@@ -917,7 +917,7 @@ def _setup_course_with_content(self):
             display_name='Subsection 2',
             modulestore=self.store,
             publish_item=True,
-            start=datetime(2015, 4, 1, tzinfo=UTC),
+            start=datetime(2015, 4, 1, tzinfo=ZoneInfo("UTC")),
         )
 
         self.vertical3 = BlockFactory.create(
@@ -926,7 +926,7 @@ def _setup_course_with_content(self):
             display_name='Subsection 3',
             modulestore=self.store,
             publish_item=True,
-            start=datetime(2015, 4, 1, tzinfo=UTC),
+            start=datetime(2015, 4, 1, tzinfo=ZoneInfo("UTC")),
         )
 
         # unspecified start - should inherit from container
@@ -1091,7 +1091,7 @@ def _html_group_result(self, html_unit, content_groups):
             'content_type': 'Text',
             'org': self.course.org,
             'content_groups': content_groups,
-            'start_date': datetime(2015, 4, 1, 0, 0, tzinfo=UTC)
+            'start_date': datetime(2015, 4, 1, 0, 0, tzinfo=ZoneInfo("UTC"))
         }
 
     def _html_experiment_group_result(self, html_unit, content_groups):
@@ -1111,7 +1111,7 @@ def _html_experiment_group_result(self, html_unit, content_groups):
             'content_type': 'Text',
             'org': self.course.org,
             'content_groups': content_groups,
-            'start_date': datetime(2015, 4, 1, 0, 0, tzinfo=UTC)
+            'start_date': datetime(2015, 4, 1, 0, 0, tzinfo=ZoneInfo("UTC"))
         }
 
     def _vertical_experiment_group_result(self, vertical, content_groups):
@@ -1119,7 +1119,7 @@ def _vertical_experiment_group_result(self, vertical, content_groups):
         Return object with arguments and content group for split_test vertical.
         """
         return {
-            'start_date': datetime(2015, 4, 1, 0, 0, tzinfo=UTC),
+            'start_date': datetime(2015, 4, 1, 0, 0, tzinfo=ZoneInfo("UTC")),
             'content': {'display_name': vertical.display_name},
             'course': str(self.course.id),
             'location': [
@@ -1151,7 +1151,7 @@ def _html_nogroup_result(self, html_unit):
             'content_type': 'Text',
             'org': self.course.org,
             'content_groups': None,
-            'start_date': datetime(2015, 4, 1, 0, 0, tzinfo=UTC)
+            'start_date': datetime(2015, 4, 1, 0, 0, tzinfo=ZoneInfo("UTC"))
         }
 
     def _get_index_values_from_call_args(self, mock_index):
diff --git a/cms/djangoapps/contentstore/tests/test_exams.py b/cms/djangoapps/contentstore/tests/test_exams.py
index 798b5e51fd80..7b9fdc321bac 100644
--- a/cms/djangoapps/contentstore/tests/test_exams.py
+++ b/cms/djangoapps/contentstore/tests/test_exams.py
@@ -9,12 +9,12 @@
 from django.conf import settings
 from edx_toggles.toggles.testutils import override_waffle_flag
 from freezegun import freeze_time
-from pytz import utc
 
 from cms.djangoapps.contentstore.signals.handlers import listen_for_course_publish
 from openedx.core.djangoapps.course_apps.toggles import EXAMS_IDA
 from xmodule.modulestore.tests.django_utils import TEST_DATA_SPLIT_MODULESTORE, ModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory, BlockFactory
+from zoneinfo import ZoneInfo
 
 
 @ddt.ddt
@@ -54,7 +54,7 @@ def setUp(self):
             display_name='Homework 1',
             graded=True,
             is_time_limited=False,
-            due=datetime.now(utc) + timedelta(minutes=60),
+            due=datetime.now(ZoneInfo("UTC")) + timedelta(minutes=60),
         )
 
     def _get_exams_url(self, course_id):
@@ -93,7 +93,7 @@ def test_publishing_exam(self, is_proctored_exam, is_practice_exam,
         When a course is published it will register all exams sections with the exams service
         """
         default_time_limit_minutes = 10
-        due_date = datetime.now(utc) + timedelta(minutes=default_time_limit_minutes + 1)
+        due_date = datetime.now(ZoneInfo("UTC")) + timedelta(minutes=default_time_limit_minutes + 1)
         sequence = BlockFactory.create(
             parent=self.chapter,
             category='sequential',
@@ -244,7 +244,7 @@ def test_subsection_due_date_prioritized(self, is_self_paced, proctoring_provide
         self.course.proctoring_provider = proctoring_provider
         self.course = self.update_course(self.course, 1)
 
-        sequential_due_date = datetime.now(utc) + timedelta(minutes=60)
+        sequential_due_date = datetime.now(ZoneInfo("UTC")) + timedelta(minutes=60)
         sequence = BlockFactory.create(
             parent=self.chapter,
             category='sequential',
diff --git a/cms/djangoapps/contentstore/tests/test_filters.py b/cms/djangoapps/contentstore/tests/test_filters.py
index 4011ae728b34..7426d1ac347e 100644
--- a/cms/djangoapps/contentstore/tests/test_filters.py
+++ b/cms/djangoapps/contentstore/tests/test_filters.py
@@ -4,7 +4,6 @@
 from datetime import datetime
 from urllib.parse import urljoin
 
-from pytz import UTC
 
 from django.test import override_settings
 from cms.djangoapps.contentstore import asset_storage_handlers
@@ -12,6 +11,7 @@
 from openedx_filters import PipelineStep
 from xmodule.contentstore.content import StaticContent
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
+from zoneinfo import ZoneInfo
 
 
 class TestPageURLRequestedPipelineStep(PipelineStep):
@@ -38,7 +38,7 @@ class LMSPageURLRequestedFiltersTest(ModuleStoreTestCase):
 
     def setUp(self):  # pylint: disable=arguments-differ
         super().setUp()
-        self.upload_date = datetime(2013, 6, 1, 10, 30, tzinfo=UTC)
+        self.upload_date = datetime(2013, 6, 1, 10, 30, tzinfo=ZoneInfo("UTC"))
         self.content_type = 'image/jpg'
         self.course_key = CourseLocator('org', 'class', 'run')
         self.location = self.course_key.make_asset_key('asset', 'my_file_name.jpg')
diff --git a/cms/djangoapps/contentstore/tests/test_proctoring.py b/cms/djangoapps/contentstore/tests/test_proctoring.py
index d9b83a811ef0..0f5d032c5891 100644
--- a/cms/djangoapps/contentstore/tests/test_proctoring.py
+++ b/cms/djangoapps/contentstore/tests/test_proctoring.py
@@ -9,13 +9,13 @@
 import ddt
 from django.conf import settings
 from edx_proctoring.api import get_all_exams_for_course, get_review_policy_by_exam_id
-from pytz import UTC
 from xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.tests.django_utils import TEST_DATA_SPLIT_MODULESTORE, ModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory, BlockFactory
 
 from cms.djangoapps.contentstore.signals.handlers import listen_for_course_publish
 from common.djangoapps.student.tests.factories import UserFactory
+from zoneinfo import ZoneInfo
 
 
 @ddt.ddt
@@ -97,7 +97,7 @@ def test_onboarding_exam_is_practice_exam(self, is_practice_exam, is_onboarding_
             default_time_limit_minutes=default_time_limit_minutes,
             is_proctored_enabled=is_proctored_exam,
             is_practice_exam=is_practice_exam,
-            due=datetime.now(UTC) + timedelta(minutes=default_time_limit_minutes + 1),
+            due=datetime.now(ZoneInfo("UTC")) + timedelta(minutes=default_time_limit_minutes + 1),
             exam_review_rules="allow_use_of_paper",
             hide_after_due=True,
             is_onboarding_exam=is_onboarding_exam,
@@ -132,7 +132,7 @@ def test_publishing_exam(self, is_proctored_exam,
             default_time_limit_minutes=default_time_limit_minutes,
             is_proctored_enabled=is_proctored_exam,
             is_practice_exam=is_practice_exam,
-            due=datetime.now(UTC) + timedelta(minutes=default_time_limit_minutes + 1),
+            due=datetime.now(ZoneInfo("UTC")) + timedelta(minutes=default_time_limit_minutes + 1),
             exam_review_rules="allow_use_of_paper",
             hide_after_due=hide_after_due,
             is_onboarding_exam=False,
@@ -300,7 +300,7 @@ def test_self_paced_no_due_dates(self):
             default_time_limit_minutes=60,
             is_proctored_enabled=False,
             is_practice_exam=False,
-            due=datetime.now(UTC) + timedelta(minutes=60),
+            due=datetime.now(ZoneInfo("UTC")) + timedelta(minutes=60),
             exam_review_rules="allow_use_of_paper",
             hide_after_due=True,
             is_onboarding_exam=False,
diff --git a/cms/djangoapps/contentstore/tests/test_utils.py b/cms/djangoapps/contentstore/tests/test_utils.py
index a46d9831d4e5..52ab712c86ab 100644
--- a/cms/djangoapps/contentstore/tests/test_utils.py
+++ b/cms/djangoapps/contentstore/tests/test_utils.py
@@ -14,7 +14,6 @@
 from opaque_keys.edx.locator import CourseLocator, LibraryLocator
 from openedx_events.tests.utils import OpenEdxEventsTestMixin
 from path import Path as path
-from pytz import UTC
 from rest_framework import status
 from user_tasks.models import UserTaskArtifact, UserTaskStatus
 
@@ -39,6 +38,7 @@
     CourseFactory,
 )
 from xmodule.partitions.partitions import Group, UserPartition
+from zoneinfo import ZoneInfo
 
 
 class LMSLinksTestCase(TestCase):
@@ -120,8 +120,8 @@ def setUpClass(cls):
         super().setUpClass()
 
         cls.dummy_user = ModuleStoreEnum.UserID.test
-        cls.past = datetime(1970, 1, 1, tzinfo=UTC)
-        cls.future = datetime.now(UTC) + timedelta(days=1)
+        cls.past = datetime(1970, 1, 1, tzinfo=ZoneInfo("UTC"))
+        cls.future = datetime.now(ZoneInfo("UTC")) + timedelta(days=1)
         cls.course = CourseFactory.create()
 
     def test_private_unreleased_xblock(self):
@@ -201,8 +201,8 @@ def setUp(self):
         self.sequential = self.store.get_item(self.sequential.location)
         self.vertical = self.store.get_item(self.vertical.location)
 
-        self.date_one = datetime(1980, 1, 1, tzinfo=UTC)
-        self.date_two = datetime(2020, 1, 1, tzinfo=UTC)
+        self.date_one = datetime(1980, 1, 1, tzinfo=ZoneInfo("UTC"))
+        self.date_two = datetime(2020, 1, 1, tzinfo=ZoneInfo("UTC"))
 
     def _update_release_dates(self, chapter_start, sequential_start, vertical_start):
         """Sets the release dates of the chapter, sequential, and vertical"""
diff --git a/cms/djangoapps/contentstore/tests/test_video_utils.py b/cms/djangoapps/contentstore/tests/test_video_utils.py
index e65e4f6638c6..c42550e9dd5a 100644
--- a/cms/djangoapps/contentstore/tests/test_video_utils.py
+++ b/cms/djangoapps/contentstore/tests/test_video_utils.py
@@ -8,7 +8,6 @@
 from unittest import mock
 
 import ddt
-import pytz
 import requests
 from django.conf import settings
 from django.core.files.base import ContentFile
@@ -26,6 +25,7 @@
     validate_video_image
 )
 from openedx.core.djangoapps.profile_images.tests.helpers import make_image_file
+from zoneinfo import ZoneInfo
 
 
 class ValidateVideoImageTestCase(TestCase):
@@ -63,7 +63,7 @@ def setUp(self):
         super().setUp()
         course_ids = [str(self.course.id)]
         profiles = ['youtube']
-        created = datetime.now(pytz.utc)
+        created = datetime.now(ZoneInfo("UTC"))
         previous_uploads = [
             {
                 'edx_video_id': 'test1',
diff --git a/cms/djangoapps/contentstore/tests/tests.py b/cms/djangoapps/contentstore/tests/tests.py
index d151b1d58526..f8e1ff15e9e2 100644
--- a/cms/djangoapps/contentstore/tests/tests.py
+++ b/cms/djangoapps/contentstore/tests/tests.py
@@ -19,7 +19,6 @@
 from django.test.utils import override_settings
 from django.urls import reverse
 from edx_toggles.toggles.testutils import override_waffle_flag
-from pytz import UTC
 
 from cms.djangoapps.contentstore import toggles
 from cms.djangoapps.contentstore.tests.test_course_settings import CourseTestCase
@@ -27,6 +26,7 @@
 from cms.djangoapps.contentstore.utils import get_studio_home_url
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.tests.factories import CourseFactory  # lint-amnesty, pylint: disable=wrong-import-order
+from zoneinfo import ZoneInfo
 
 
 class ContentStoreTestCase(ModuleStoreTestCase):
@@ -218,7 +218,7 @@ def set_blackout_dates(self, blackout_dates):
         ]
 
     def test_blackouts(self):
-        now = datetime.datetime.now(UTC)
+        now = datetime.datetime.now(ZoneInfo("UTC"))
         times1 = [
             (now - datetime.timedelta(days=14), now - datetime.timedelta(days=11)),
             (now + datetime.timedelta(days=24), now + datetime.timedelta(days=30))
diff --git a/cms/djangoapps/contentstore/utils.py b/cms/djangoapps/contentstore/utils.py
index a80fffec7551..a6bc2d09400c 100644
--- a/cms/djangoapps/contentstore/utils.py
+++ b/cms/djangoapps/contentstore/utils.py
@@ -31,7 +31,6 @@
 from openedx_events.content_authoring.signals import XBLOCK_DUPLICATED
 from openedx_events.learning.data import CourseNotificationData
 from openedx_events.learning.signals import COURSE_NOTIFICATION_REQUESTED
-from pytz import UTC
 from rest_framework.fields import BooleanField
 from xblock.fields import Scope
 
@@ -113,6 +112,7 @@
 )
 from xmodule.services import ConfigurationService, SettingsService, TeamsConfigurationService
 from xmodule.util.keys import BlockKey
+from zoneinfo import ZoneInfo
 
 from .models import ComponentLink, ContainerLink
 
@@ -599,7 +599,7 @@ def is_currently_visible_to_students(xblock):
 
     # Check start date
     if 'detached' not in published._class_tags and published.start is not None:  # lint-amnesty, pylint: disable=protected-access
-        return datetime.now(UTC) > published.start
+        return datetime.now(ZoneInfo("UTC")) > published.start
 
     # No start date, so it's always visible
     return True
diff --git a/cms/djangoapps/contentstore/video_storage_handlers.py b/cms/djangoapps/contentstore/video_storage_handlers.py
index 87086c9951ac..c87931cec178 100644
--- a/cms/djangoapps/contentstore/video_storage_handlers.py
+++ b/cms/djangoapps/contentstore/video_storage_handlers.py
@@ -45,7 +45,6 @@
 from opaque_keys import InvalidKeyError
 from opaque_keys.edx.keys import CourseKey
 from path import Path as path
-from pytz import UTC
 from rest_framework import status as rest_status
 from rest_framework.response import Response
 from tempfile import NamedTemporaryFile, mkdtemp
@@ -61,6 +60,7 @@
 )
 from openedx.core.djangoapps.waffle_utils import CourseWaffleFlag
 from xmodule.modulestore.django import modulestore  # lint-amnesty, pylint: disable=wrong-import-order
+from zoneinfo import ZoneInfo
 
 from .models import VideoUploadConfig
 from .toggles import use_new_video_uploads_page, use_mock_video_uploads
@@ -597,7 +597,7 @@ def convert_video_status(video, is_video_encodes_ready=False):
         *   `YouTube Duplicate` if status is `invalid_token`
         *   user-friendly video status
     """
-    now = datetime.now(video.get('created', datetime.now().replace(tzinfo=UTC)).tzinfo)
+    now = datetime.now(video.get('created', datetime.now().replace(tzinfo=ZoneInfo("UTC"))).tzinfo)
 
     if video['status'] == 'upload' and (now - video['created']) > timedelta(hours=MAX_UPLOAD_HOURS):
         new_status = 'upload_failed'
diff --git a/cms/djangoapps/contentstore/views/tests/test_assets.py b/cms/djangoapps/contentstore/views/tests/test_assets.py
index e7dbcfe9f55a..5f0bf9016dc8 100644
--- a/cms/djangoapps/contentstore/views/tests/test_assets.py
+++ b/cms/djangoapps/contentstore/views/tests/test_assets.py
@@ -15,7 +15,6 @@
 from opaque_keys.edx.keys import AssetKey
 from opaque_keys.edx.locator import CourseLocator
 from PIL import Image
-from pytz import UTC
 
 from cms.djangoapps.contentstore.tests.utils import CourseTestCase
 from cms.djangoapps.contentstore.utils import reverse_course_url
@@ -29,6 +28,7 @@
 from xmodule.modulestore.tests.factories import CourseFactory
 from xmodule.modulestore.xml_importer import import_course_from_xml  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.tests.django_utils import TEST_DATA_SPLIT_MODULESTORE
+from zoneinfo import ZoneInfo
 
 TEST_DATA_DIR = settings.COMMON_TEST_DATA_ROOT
 
@@ -227,7 +227,7 @@ def test_mocked_filtered_response(self, mock_get_all_content_for_course):
         """
         asset_key = self.course.id.make_asset_key(
             AssetMetadata.GENERAL_ASSET_TYPE, 'test.jpg')
-        upload_date = datetime(2015, 1, 12, 10, 30, tzinfo=UTC)
+        upload_date = datetime(2015, 1, 12, 10, 30, tzinfo=ZoneInfo("UTC"))
         thumbnail_location = [
             'c4x', 'edX', 'toy', 'thumbnail', 'test_thumb.jpg', None]
 
@@ -426,7 +426,7 @@ class AssetToJsonTestCase(AssetsTestCase):
     """
     @override_settings(LMS_ROOT_URL="https://lms_root_url")
     def test_basic(self):
-        upload_date = datetime(2013, 6, 1, 10, 30, tzinfo=UTC)
+        upload_date = datetime(2013, 6, 1, 10, 30, tzinfo=ZoneInfo("UTC"))
         content_type = 'image/jpg'
         course_key = CourseLocator('org', 'class', 'run')
         location = course_key.make_asset_key('asset', 'my_file_name.jpg')
@@ -472,7 +472,7 @@ def post_asset_update(lock, course):
             """ Helper method for posting asset update. """
             content_type = 'application/txt'
             course_key = CourseLocator('org', 'class', 'run')
-            upload_date = datetime(2013, 6, 1, 10, 30, tzinfo=UTC)
+            upload_date = datetime(2013, 6, 1, 10, 30, tzinfo=ZoneInfo("UTC"))
             asset_location = course.id.make_asset_key('asset', 'sample_static.html')
             url = reverse_course_url(
                 'assets_handler', course.id, kwargs={'asset_key_string': str(asset_location)}
diff --git a/cms/djangoapps/contentstore/views/tests/test_block.py b/cms/djangoapps/contentstore/views/tests/test_block.py
index 2b21a9b9b970..eb331057e3d4 100644
--- a/cms/djangoapps/contentstore/views/tests/test_block.py
+++ b/cms/djangoapps/contentstore/views/tests/test_block.py
@@ -23,7 +23,6 @@
 from opaque_keys.edx.keys import CourseKey, UsageKey
 from opaque_keys.edx.locator import BlockUsageLocator, CourseLocator
 from pyquery import PyQuery
-from pytz import UTC
 from bs4 import BeautifulSoup
 from web_fragments.fragment import Fragment
 from webob import Response
@@ -87,6 +86,7 @@
     create_xblock_info,
 )
 from common.test.utils import assert_dict_contains_subset
+from zoneinfo import ZoneInfo
 
 
 class AsideTest(XBlockAside):
@@ -637,11 +637,11 @@ def test_create_block_negative(self):
         self.assertEqual(resp.status_code, 200)
 
     def test_create_with_future_date(self):
-        self.assertEqual(self.course.start, datetime(2030, 1, 1, tzinfo=UTC))
+        self.assertEqual(self.course.start, datetime(2030, 1, 1, tzinfo=ZoneInfo("UTC")))
         resp = self.create_xblock(category="chapter")
         usage_key = self.response_usage_key(resp)
         obj = self.get_item_from_modulestore(usage_key)
-        self.assertEqual(obj.start, datetime(2030, 1, 1, tzinfo=UTC))
+        self.assertEqual(obj.start, datetime(2030, 1, 1, tzinfo=ZoneInfo("UTC")))
 
     def test_static_tabs_initialization(self):
         """
@@ -1987,13 +1987,13 @@ def test_date_fields(self):
             self.seq_update_url, data={"metadata": {"due": "2010-11-22T04:00Z"}}
         )
         sequential = self.get_item_from_modulestore(self.seq_usage_key)
-        self.assertEqual(sequential.due, datetime(2010, 11, 22, 4, 0, tzinfo=UTC))
+        self.assertEqual(sequential.due, datetime(2010, 11, 22, 4, 0, tzinfo=ZoneInfo("UTC")))
         self.client.ajax_post(
             self.seq_update_url, data={"metadata": {"start": "2010-09-12T14:00Z"}}
         )
         sequential = self.get_item_from_modulestore(self.seq_usage_key)
-        self.assertEqual(sequential.due, datetime(2010, 11, 22, 4, 0, tzinfo=UTC))
-        self.assertEqual(sequential.start, datetime(2010, 9, 12, 14, 0, tzinfo=UTC))
+        self.assertEqual(sequential.due, datetime(2010, 11, 22, 4, 0, tzinfo=ZoneInfo("UTC")))
+        self.assertEqual(sequential.start, datetime(2010, 9, 12, 14, 0, tzinfo=ZoneInfo("UTC")))
 
     @ddt.data(
         "1000-01-01T00:00Z",
@@ -2308,7 +2308,7 @@ def _make_draft_content_different_from_published(self):
             self.problem_update_url, data={"metadata": {"due": "2077-10-10T04:00Z"}}
         )
         updated_draft = self.get_item_from_modulestore(self.problem_usage_key)
-        self.assertEqual(updated_draft.due, datetime(2077, 10, 10, 4, 0, tzinfo=UTC))
+        self.assertEqual(updated_draft.due, datetime(2077, 10, 10, 4, 0, tzinfo=ZoneInfo("UTC")))
         self.assertIsNone(published.due)
         # Fetch the published version again to make sure the due date is still unset.
         published = modulestore().get_item(
@@ -2323,7 +2323,7 @@ def test_make_public_with_update(self):
             data={"metadata": {"due": "2077-10-10T04:00Z"}, "publish": "make_public"},
         )
         published = self.get_item_from_modulestore(self.problem_usage_key)
-        self.assertEqual(published.due, datetime(2077, 10, 10, 4, 0, tzinfo=UTC))
+        self.assertEqual(published.due, datetime(2077, 10, 10, 4, 0, tzinfo=ZoneInfo("UTC")))
 
     def test_published_and_draft_contents_with_update(self):
         """Create a draft and publish it then modify the draft and check that published content is not modified"""
@@ -3442,7 +3442,7 @@ def test_validate_start_date(self):
             parent_location=course.location, category='chapter', display_name='Week 1'
         )
 
-        chapter.start = datetime(year=1899, month=1, day=1, tzinfo=UTC)
+        chapter.start = datetime(year=1899, month=1, day=1, tzinfo=ZoneInfo("UTC"))
 
         xblock_info = create_xblock_info(
             chapter,
@@ -4122,7 +4122,7 @@ def test_published_unit(self):
         sequential = self._create_child(chapter, "sequential", "Test Sequential")
         self._create_child(sequential, "vertical", "Published Unit", publish_item=True)
         self._create_child(sequential, "vertical", "Staff Only Unit", staff_only=True)
-        self._set_release_date(chapter.location, datetime.now(UTC) + timedelta(days=1))
+        self._set_release_date(chapter.location, datetime.now(ZoneInfo("UTC")) + timedelta(days=1))
         xblock_info = self._get_xblock_info(chapter.location)
         self._verify_visibility_state(xblock_info, VisibilityState.ready)
         self._verify_visibility_state(
@@ -4143,7 +4143,7 @@ def test_released_unit(self):
         sequential = self._create_child(chapter, "sequential", "Test Sequential")
         self._create_child(sequential, "vertical", "Published Unit", publish_item=True)
         self._create_child(sequential, "vertical", "Staff Only Unit", staff_only=True)
-        self._set_release_date(chapter.location, datetime.now(UTC) - timedelta(days=1))
+        self._set_release_date(chapter.location, datetime.now(ZoneInfo("UTC")) - timedelta(days=1))
         xblock_info = self._get_xblock_info(chapter.location)
         self._verify_visibility_state(xblock_info, VisibilityState.live)
         self._verify_visibility_state(
@@ -4187,11 +4187,11 @@ def test_partially_released_section(self):
         released_sequential = self._create_child(chapter, 'sequential', "Released Sequential")
         self._create_child(released_sequential, 'vertical', "Released Unit", publish_item=True)
         self._create_child(released_sequential, 'vertical', "Staff Only Unit 1", staff_only=True)
-        self._set_release_date(chapter.location, datetime.now(UTC) - timedelta(days=1))
+        self._set_release_date(chapter.location, datetime.now(ZoneInfo("UTC")) - timedelta(days=1))
         published_sequential = self._create_child(chapter, 'sequential', "Published Sequential")
         self._create_child(published_sequential, 'vertical', "Published Unit", publish_item=True)
         self._create_child(published_sequential, 'vertical', "Staff Only Unit 2", staff_only=True)
-        self._set_release_date(published_sequential.location, datetime.now(UTC) + timedelta(days=1))
+        self._set_release_date(published_sequential.location, datetime.now(ZoneInfo("UTC")) + timedelta(days=1))
         xblock_info = self._get_xblock_info(chapter.location)
 
         # Verify the state of the released sequential
@@ -4352,7 +4352,7 @@ def test_unscheduled_section_with_live_subsection(self):
         self._create_child(sequential, "vertical", "Published Unit", publish_item=True)
         self._create_child(sequential, "vertical", "Staff Only Unit", staff_only=True)
         self._set_release_date(
-            sequential.location, datetime.now(UTC) - timedelta(days=1)
+            sequential.location, datetime.now(ZoneInfo("UTC")) - timedelta(days=1)
         )
         xblock_info = self._get_xblock_info(chapter.location)
         self._verify_visibility_state(xblock_info, VisibilityState.needs_attention)
@@ -4371,9 +4371,9 @@ def test_unreleased_section_with_live_subsection(self):
         sequential = self._create_child(chapter, "sequential", "Test Sequential")
         self._create_child(sequential, "vertical", "Published Unit", publish_item=True)
         self._create_child(sequential, "vertical", "Staff Only Unit", staff_only=True)
-        self._set_release_date(chapter.location, datetime.now(UTC) + timedelta(days=1))
+        self._set_release_date(chapter.location, datetime.now(ZoneInfo("UTC")) + timedelta(days=1))
         self._set_release_date(
-            sequential.location, datetime.now(UTC) - timedelta(days=1)
+            sequential.location, datetime.now(ZoneInfo("UTC")) - timedelta(days=1)
         )
         xblock_info = self._get_xblock_info(chapter.location)
         self._verify_visibility_state(xblock_info, VisibilityState.needs_attention)
@@ -4431,7 +4431,7 @@ def test_self_paced_item_visibility_state(self):
         # Create course, chapter and setup future release date to make chapter in scheduled state
         course = CourseFactory.create()
         chapter = self._create_child(course, "chapter", "Test Chapter")
-        self._set_release_date(chapter.location, datetime.now(UTC) + timedelta(days=1))
+        self._set_release_date(chapter.location, datetime.now(ZoneInfo("UTC")) + timedelta(days=1))
 
         # Check that chapter has scheduled state
         xblock_info = self._get_xblock_info(chapter.location)
@@ -4474,7 +4474,7 @@ def create_source_block(self, course):
             parent=course,
             category="course_info",
             display_name="Source Block",
-            metadata={"due": datetime(2010, 11, 22, 4, 0, tzinfo=UTC)},
+            metadata={"due": datetime(2010, 11, 22, 4, 0, tzinfo=ZoneInfo("UTC"))},
         )
 
         def_id = self.runtime.id_generator.create_definition("html")
@@ -4494,7 +4494,7 @@ def create_source_block(self, course):
 
         # quick sanity checks
         source_block = self.store.get_item(source_block.location)
-        self.assertEqual(source_block.due, datetime(2010, 11, 22, 4, 0, tzinfo=UTC))
+        self.assertEqual(source_block.due, datetime(2010, 11, 22, 4, 0, tzinfo=ZoneInfo("UTC")))
         self.assertEqual(source_block.display_name, "Source Block")
         self.assertEqual(
             source_block.runtime.get_asides(source_block)[0].field11, "html_new_value1"
@@ -4553,7 +4553,7 @@ def test_update_clobbers(self):
             parent=course,
             category="course_info",
             display_name="Destination Chapter",
-            metadata={"due": datetime(2025, 10, 21, 6, 5, tzinfo=UTC)},
+            metadata={"due": datetime(2025, 10, 21, 6, 5, tzinfo=ZoneInfo("UTC"))},
         )
 
         def_id = self.runtime.id_generator.create_definition("html")
diff --git a/cms/djangoapps/contentstore/views/tests/test_container_page.py b/cms/djangoapps/contentstore/views/tests/test_container_page.py
index e6b58257b69d..ac0b87f247c5 100644
--- a/cms/djangoapps/contentstore/views/tests/test_container_page.py
+++ b/cms/djangoapps/contentstore/views/tests/test_container_page.py
@@ -11,7 +11,6 @@
 from django.test.client import RequestFactory
 from django.urls import reverse
 from edx_toggles.toggles.testutils import override_waffle_flag
-from pytz import UTC
 from urllib.parse import quote
 
 import cms.djangoapps.contentstore.views.component as views
@@ -20,6 +19,7 @@
 from xmodule.modulestore import ModuleStoreEnum  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.django import modulestore  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.tests.factories import CourseFactory, BlockFactory  # lint-amnesty, pylint: disable=wrong-import-order
+from zoneinfo import ZoneInfo
 
 from .utils import StudioPageTestCase
 
@@ -41,8 +41,8 @@ def setUp(self):
         self.video = self._create_block(self.child_vertical, "video", "My Video")
         self.store = modulestore()
 
-        past = datetime.datetime(1970, 1, 1, tzinfo=UTC)
-        future = datetime.datetime.now(UTC) + datetime.timedelta(days=1)
+        past = datetime.datetime(1970, 1, 1, tzinfo=ZoneInfo("UTC"))
+        future = datetime.datetime.now(ZoneInfo("UTC")) + datetime.timedelta(days=1)
         self.released_private_vertical = self._create_block(
             parent=self.sequential, category='vertical', display_name='Released Private Unit',
             start=past)
diff --git a/cms/djangoapps/contentstore/views/tests/test_course_index.py b/cms/djangoapps/contentstore/views/tests/test_course_index.py
index 58c425c601a3..8ce081643cf2 100644
--- a/cms/djangoapps/contentstore/views/tests/test_course_index.py
+++ b/cms/djangoapps/contentstore/views/tests/test_course_index.py
@@ -8,7 +8,6 @@
 from unittest import mock, skip
 
 import ddt
-import pytz
 from django.core.exceptions import PermissionDenied
 from django.utils.translation import gettext as _
 from search.api import perform_search
@@ -28,6 +27,7 @@
 
 from ..course import _deprecated_blocks_info, course_outline_initial_state, reindex_course_and_check_access
 from cms.djangoapps.contentstore.xblock_storage_handlers.view_handlers import VisibilityState, create_xblock_info
+from zoneinfo import ZoneInfo
 
 
 @ddt.ddt
@@ -250,7 +250,7 @@ def setUp(self):
 
         super().setUp()
 
-        self.course.start = datetime.datetime(2014, 1, 1, tzinfo=pytz.utc)
+        self.course.start = datetime.datetime(2014, 1, 1, tzinfo=ZoneInfo("UTC"))
         modulestore().update_item(self.course, self.user.id)
 
         self.chapter = BlockFactory.create(
diff --git a/cms/djangoapps/contentstore/views/tests/test_videos.py b/cms/djangoapps/contentstore/views/tests/test_videos.py
index 2d17229f59c1..8642a2d7a8c7 100644
--- a/cms/djangoapps/contentstore/views/tests/test_videos.py
+++ b/cms/djangoapps/contentstore/views/tests/test_videos.py
@@ -14,7 +14,6 @@
 import dateutil.parser
 from common.djangoapps.student.tests.factories import UserFactory
 import ddt
-import pytz
 from django.test import TestCase
 from django.conf import settings
 from django.test.utils import override_settings
@@ -56,6 +55,7 @@
     storage_service_key,
     PUBLIC_VIDEO_SHARE
 )
+from zoneinfo import ZoneInfo
 
 
 class VideoUploadTestBase:
@@ -86,7 +86,7 @@ def setUp(self):
 
         # course ids for videos
         course_ids = [str(self.course.id), str(self.course2.id)]
-        created = datetime.now(pytz.utc)
+        created = datetime.now(ZoneInfo("UTC"))
 
         self.profiles = ["profile1", "profile2"]
         self.previous_uploads = [
@@ -742,12 +742,12 @@ def test_convert_video_status(self):
         video = self.previous_uploads[0]
 
         # video status should be failed if it's in upload state for more than 24 hours
-        video['created'] = datetime(2016, 1, 1, 10, 10, 10, 0, pytz.UTC)
+        video['created'] = datetime(2016, 1, 1, 10, 10, 10, 0, ZoneInfo("UTC"))
         status = convert_video_status(video)
         self.assertEqual(status, StatusDisplayStrings.get('upload_failed'))
 
         # `invalid_token` should be converted to `youtube_duplicate`
-        video['created'] = datetime.now(pytz.UTC)
+        video['created'] = datetime.now(ZoneInfo("UTC"))
         video['status'] = 'invalid_token'
         status = convert_video_status(video)
         self.assertEqual(status, StatusDisplayStrings.get('youtube_duplicate'))
diff --git a/cms/djangoapps/contentstore/xblock_storage_handlers/view_handlers.py b/cms/djangoapps/contentstore/xblock_storage_handlers/view_handlers.py
index 78c393532305..4b617e403e0f 100644
--- a/cms/djangoapps/contentstore/xblock_storage_handlers/view_handlers.py
+++ b/cms/djangoapps/contentstore/xblock_storage_handlers/view_handlers.py
@@ -30,7 +30,6 @@
 from edx_proctoring.exceptions import ProctoredExamNotFoundException
 from help_tokens.core import HelpUrlExpert
 from opaque_keys.edx.locator import LibraryUsageLocator, LibraryUsageLocatorV2
-from pytz import UTC
 from xblock.core import XBlock
 from xblock.fields import Scope
 from .xblock_helpers import get_block_key_string
@@ -64,6 +63,7 @@
 from xmodule.modulestore.exceptions import InvalidLocationError, ItemNotFoundError
 from xmodule.modulestore.inheritance import own_metadata
 from xmodule.tabs import CourseTabList
+from zoneinfo import ZoneInfo
 
 from ..utils import (
     ancestor_has_staff_lock,
@@ -1207,7 +1207,7 @@ def create_xblock_info(  # lint-amnesty, pylint: disable=too-many-statements
                 "studio_url": xblock_studio_url(xblock, parent_xblock),
                 "lms_url": xblock_lms_url(xblock),
                 "embed_lms_url": xblock_embed_lms_url(xblock),
-                "released_to_students": datetime.now(UTC) > xblock.start,
+                "released_to_students": datetime.now(ZoneInfo("UTC")) > xblock.start,
                 "release_date": release_date,
                 "visibility_state": visibility_state,
                 "has_explicit_staff_lock": xblock.fields[
@@ -1552,7 +1552,7 @@ def _compute_visibility_state(
         return VisibilityState.needs_attention
 
     is_unscheduled = xblock.start == DEFAULT_START_DATE
-    is_live = is_course_self_paced or datetime.now(UTC) > xblock.start
+    is_live = is_course_self_paced or datetime.now(ZoneInfo("UTC")) > xblock.start
     if child_info and child_info.get("children", []):  # pylint: disable=too-many-nested-blocks
         all_staff_only = True
         all_unscheduled = True
diff --git a/cms/djangoapps/models/settings/course_metadata.py b/cms/djangoapps/models/settings/course_metadata.py
index 1cd87ed5a0a1..69f4dab436b4 100644
--- a/cms/djangoapps/models/settings/course_metadata.py
+++ b/cms/djangoapps/models/settings/course_metadata.py
@@ -6,7 +6,6 @@
 import logging
 from datetime import datetime
 
-import pytz
 from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.utils.translation import gettext as _
@@ -24,6 +23,7 @@
 from xmodule.modulestore.exceptions import InvalidProctoringProvider  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.partitions.partitions import MINIMUM_UNUSED_PARTITION_ID
 from xmodule.partitions.partitions_service import get_all_partitions_for_course
+from zoneinfo import ZoneInfo
 
 LOGGER = logging.getLogger(__name__)
 
@@ -470,7 +470,7 @@ def validate_proctoring_settings(cls, block, settings_dict, user):
             cls._has_requested_proctoring_provider_changed(
                 block.proctoring_provider, proctoring_provider_model.get('value')
             ) and
-            datetime.now(pytz.UTC) > block.start
+            datetime.now(ZoneInfo("UTC")) > block.start
         ):
             message = (
                 'The proctoring provider cannot be modified after a course has started.'
diff --git a/cms/lib/xblock/tagging/test.py b/cms/lib/xblock/tagging/test.py
index 173523452d54..6139001c0f5c 100644
--- a/cms/lib/xblock/tagging/test.py
+++ b/cms/lib/xblock/tagging/test.py
@@ -11,7 +11,6 @@
 from django.test.client import RequestFactory
 from lxml import etree
 from opaque_keys.edx.asides import AsideUsageKeyV1, AsideUsageKeyV2
-from pytz import UTC
 from xblock.fields import ScopeIds
 from xblock.runtime import DictKeyValueStore, KvsFieldData
 from xblock.test.tools import TestRuntime
@@ -27,6 +26,7 @@
 from xmodule.modulestore.django import modulestore  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase  # lint-amnesty, pylint: disable=wrong-import-order
 from xmodule.modulestore.tests.factories import CourseFactory, BlockFactory  # lint-amnesty, pylint: disable=wrong-import-order
+from zoneinfo import ZoneInfo
 
 
 @ddt.ddt
@@ -56,21 +56,21 @@ def setUp(self):
             category='chapter',
             display_name="Week 1",
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
         self.sequential = BlockFactory.create(
             parent_location=self.chapter.location,
             category='sequential',
             display_name="Lesson 1",
             publish_item=True,
-            start=datetime(2015, 3, 1, tzinfo=UTC),
+            start=datetime(2015, 3, 1, tzinfo=ZoneInfo("UTC")),
         )
         self.vertical = BlockFactory.create(
             parent_location=self.sequential.location,
             category='vertical',
             display_name='Subsection 1',
             publish_item=True,
-            start=datetime(2015, 4, 1, tzinfo=UTC),
+            start=datetime(2015, 4, 1, tzinfo=ZoneInfo("UTC")),
         )
         self.problem = BlockFactory.create(
             category="problem",
diff --git a/cms/lib/xblock/test/test_upstream_sync.py b/cms/lib/xblock/test/test_upstream_sync.py
index 94ee69e5f1f3..c67b1990e0f3 100644
--- a/cms/lib/xblock/test/test_upstream_sync.py
+++ b/cms/lib/xblock/test/test_upstream_sync.py
@@ -6,7 +6,6 @@
 import ddt
 from organizations.api import ensure_organization
 from organizations.models import Organization
-from pytz import utc
 
 from cms.lib.xblock.upstream_sync import (
     BadDownstream,
@@ -24,6 +23,7 @@
 from openedx.core.djangoapps.xblock import api as xblock
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
 from xmodule.modulestore.tests.factories import BlockFactory, CourseFactory
+from zoneinfo import ZoneInfo
 
 
 @ddt.ddt
@@ -292,7 +292,7 @@ def test_sync_updates_to_downstream_only_fields(self):
         # Modifing downstream-only fields are "safe" customizations
         downstream.display_name = "Downstream Title Override"
         downstream.attempts_before_showanswer_button = 2
-        downstream.due = datetime.datetime(2025, 2, 2, tzinfo=utc)
+        downstream.due = datetime.datetime(2025, 2, 2, tzinfo=ZoneInfo("UTC"))
         downstream.force_save_button = True
         downstream.graceperiod = '2d'
         downstream.grading_method = 'last_score'
@@ -320,7 +320,7 @@ def test_sync_updates_to_downstream_only_fields(self):
         # but "safe" customizations survive
         assert downstream.display_name == "Downstream Title Override"
         assert downstream.attempts_before_showanswer_button == 2
-        assert downstream.due == datetime.datetime(2025, 2, 2, tzinfo=utc)
+        assert downstream.due == datetime.datetime(2025, 2, 2, tzinfo=ZoneInfo("UTC"))
         assert downstream.force_save_button
         assert downstream.graceperiod == '2d'
         assert downstream.grading_method == 'last_score'