[Numpy-discussion] Making datetime64 timezone naive

[Nathaniel Smith]

On Oct 13, 2015 3:49 PM, "Chris Barker" <chris.barker at noaa.gov> wrote:
>
[...]
> However, numpy datetime is optimized for compact storage and fast
computation of absolute deltas (actual hours, minutes, seconds... not
calendar units like "the next day" ).

Except that ironically it actually can't compute absolute deltas accurately
with one second resolution, because it does the POSIX time thing of
pretending that all UTC days have the same number of seconds, even though
this is not true (leap seconds).

This isn't really relevant to anything else in this thread, except as a
reminder of how freaky date/time handling is.

-n
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