On Nov 3, 2005, at 10:39, Phillip J. Eby wrote:
At 01:27 AM 11/3/2005 -0500, Mike Taylor wrote:
Just thought I would share the blog post with other devs -
something to always keep in the back of your brain when
manipulating dates :)
http://www.alexking.org/blog/2005/11/02/nasty-php-oddity/
FWIW, in Python you should use a timedelta(days=whatever) to move
by days. That's why timedelta keeps the days separate from the
seconds and such. (That is, because there are days that aren't
86400 seconds long.)
More generally, doing arithmetic directly on datetime fields (as
opposed to using timedelta) is usually a bad idea. For example, see
<https://bugzilla.osafoundation.org/show_bug.cgi?id=4367>
--Grant
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