diff --git a/src/prefect/client/orchestration/__init__.py b/src/prefect/client/orchestration/__init__.py
index 7919fbea5619..0c934fc348d4 100644
--- a/src/prefect/client/orchestration/__init__.py
+++ b/src/prefect/client/orchestration/__init__.py
@@ -11,7 +11,7 @@
 import certifi
 import httpcore
 import httpx
-import pendulum
+
 import pydantic
 from asgi_lifespan import LifespanManager
 from packaging import version
@@ -130,6 +130,7 @@
     PREFECT_SERVER_ALLOW_EPHEMERAL_MODE,
     PREFECT_TESTING_UNIT_TEST_MODE,
 )
+from prefect.types._datetime import now
 
 if TYPE_CHECKING:
     from prefect.tasks import Task as TaskObject
@@ -607,7 +608,7 @@ async def get_runs_in_work_queue(
             List[FlowRun]: a list of FlowRun objects read from the queue
         """
         if scheduled_before is None:
-            scheduled_before = pendulum.now("UTC")
+            scheduled_before = now("UTC")
 
         try:
             response = await self._client.post(
diff --git a/src/prefect/client/schemas/schedules.py b/src/prefect/client/schemas/schedules.py
index ed23e8ac6968..564f2a2b91f6 100644
--- a/src/prefect/client/schemas/schedules.py
+++ b/src/prefect/client/schemas/schedules.py
@@ -30,7 +30,7 @@ def is_valid_timezone(v: str) -> bool:
     Validate that the provided timezone is a valid IANA timezone.
 
     Unfortunately this list is slightly different from the list of valid
-    timezones in pendulum that we use for cron and interval timezone validation.
+    timezones we use for cron and interval timezone validation.
     """
     from prefect._internal.pytz import HAS_PYTZ
 
@@ -309,7 +309,7 @@ def valid_timezone(cls, v: Optional[str]) -> str:
         Validate that the provided timezone is a valid IANA timezone.
 
         Unfortunately this list is slightly different from the list of valid
-        timezones in pendulum that we use for cron and interval timezone validation.
+        timezones we use for cron and interval timezone validation.
         """
         if v is None:
             return "UTC"