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Merged
ambv merged 1 commit into from
Oct 19, 2021
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bpo-45515: Add zoneinfo to the datetime documentation #29038

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10 changes: 6 additions & 4 deletions Doc/library/datetime.rst
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Expand Up @@ -27,6 +27,9 @@ on efficient attribute extraction for output formatting and manipulation.
Module :mod:`time`
Time access and conversions.

Module :mod:`zoneinfo`
Concrete time zones representing the IANA time zone database.

Package `dateutil <https://dateutil.readthedocs.io/en/stable/>`_
Third-party library with expanded time zone and parsing support.

Expand Down Expand Up @@ -2174,14 +2177,13 @@ only EST (fixed offset -5 hours), or only EDT (fixed offset -4 hours)).

.. seealso::

`dateutil.tz <https://dateutil.readthedocs.io/en/stable/tz.html>`_
:mod:`zoneinfo`
The :mod:`datetime` module has a basic :class:`timezone` class (for
handling arbitrary fixed offsets from UTC) and its :attr:`timezone.utc`
attribute (a UTC timezone instance).

*dateutil.tz* library brings the *IANA timezone database*
(also known as the Olson database) to Python, and its usage is
recommended.
``zoneinfo`` brings the *IANA timezone database* (also known as the Olson
database) to Python, and its usage is recommended.

`IANA timezone database <https://www.iana.org/time-zones>`_
The Time Zone Database (often called tz, tzdata or zoneinfo) contains code
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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Library/2021-10-18-14-52-48.bpo-45515.aXdvm_.rst
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@@ -0,0 +1,3 @@
Add references to :mod:`zoneinfo` in the :mod:`datetime` documentation,
mostly replacing outdated references to ``dateutil.tz``. Change by Paul
Ganssle.
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