o-nikolas commented on code in PR #30467:
URL: https://github.com/apache/airflow/pull/30467#discussion_r1157845180
##########
docs/apache-airflow/authoring-and-scheduling/timezone.rst:
##########
@@ -150,6 +150,13 @@ date will be converted to UTC using the timezone
associated with ``start_date``
or ``end_date``, then for calculations this timezone information will be
disregarded.
+.. note::
+ When authoring Timezone aware DAG you must make sure that the underlying
timezone library (for example: pendulum)
+ is updated with changes to regulations (daylight saving changes etc...).
When moving time
+ is expected you should verify with the underlying timezone library that
switch will happen as expected.
+ There might be a need to update the library version. As a general
recommendation if you can author DAGs in UTC
+ that is preferred.
Review Comment:
```suggestion
When authoring a Timezone aware DAG you must make sure that the
underlying timezone library (for example: pendulum)
is updated with recent changes to regulations (daylight saving changes
etc...). When a change in time
is expected you should verify with the underlying timezone library that
the switch will happen as expected.
There might be a need to update the library version. As a general
recommendation if you can author DAGs in UTC
that is preferred.
```
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