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Bug description:
my system time zone is UTC+04:00
>>> import datetime
>>> datetime.datetime(9999, 12, 31).astimezone() # same for .astimezone(datetime.UTC)
Traceback (most recent call last):
File "<python-input-46>", line 1, in <module>
datetime.datetime(9999, 12, 31).astimezone()
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
ValueError: year must be in 1..9999, not 10000
>>> datetime.datetime(9999, 12, 31, tzinfo=datetime.UTC).astimezone()
datetime.datetime(9999, 12, 31, 4, 0, tzinfo=datetime.timezone(datetime.timedelta(seconds=14400), '+04'))same behavior for _pydatetime module, but I found that in version 3.11 the behavior is as next:
>>> datetime.datetime(9999, 12, 31).astimezone()
datetime.datetime(9999, 12, 31, 0, 0, tzinfo=datetime.timezone(datetime.timedelta(seconds=14400), '+04'))EDIT: same behavior for datetime(1, 1, 1):
>>> datetime.datetime(1, 1, 1).astimezone()
Traceback (most recent call last):
File "<python-input-23>", line 1, in <module>
datetime.datetime(1, 1, 1).astimezone()
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
ValueError: year must be in 1..9999, not 0CPython versions tested on:
CPython main branch, 3.13, 3.12
Operating systems tested on:
Linux
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