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Diffstat (limited to 'Doc/library/datetime.rst')
| -rw-r--r-- | Doc/library/datetime.rst | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst index 0996276..5539c5a 100644 --- a/Doc/library/datetime.rst +++ b/Doc/library/datetime.rst @@ -1629,8 +1629,12 @@ Notes: the output hour field if the ``%I`` directive is used to parse the hour. (3) - The range really is ``0`` to ``61``; this accounts for leap seconds and the - (very rare) double leap seconds. + The range really is ``0`` to ``61``; according to the Posix standard this + accounts for leap seconds and the (very rare) double leap seconds. + The :mod:`time` module may produce and does accept leap seconds since + it is based on the Posix standard, but the :mod:`datetime` module + does not accept leap seconds in :func:`strptime` input nor will it + produce them in :func:`strftime` output. (4) When used with the :func:`strptime` function, ``%U`` and ``%W`` are only used in |