[Zope] Incrementing with DateTime

Charlie Reiman creiman@kefta.com
Tue, 22 Oct 2002 15:52:57 -0700


Sounds like a bug. File a collector issue, assuming there isn't one already.

> -----Original Message-----
> From: zope-admin@zope.org [mailto:zope-admin@zope.org]On Behalf Of Colyn
> Brown
> Sent: Tuesday, October 22, 2002 3:28 PM
> To: zope@zope.org
> Subject: [Zope] Incrementing with DateTime
> 
> 
> I stumbled upon a strange occurrence when I incrementally add days
> using the DateTime function. For some reason, on Sunday October 27 (it
> has to be a Sunday) of any given year, when I try to add a day to it,
> it only adds 23 hours instead of 24...causing the day to still be the
> 27th (with 23 hours added). Here is printed loop to illustrate what
> I'm talking about:
> 
> 2002/10/11 00:00:01 US/Mountain
> 2002/10/12 00:00:01 US/Mountain
> 2002/10/13 00:00:01 US/Mountain
> 2002/10/14 00:00:01 US/Mountain
> 2002/10/15 00:00:01 US/Mountain
> 2002/10/16 00:00:01 US/Mountain
> 2002/10/17 00:00:01 US/Mountain
> 2002/10/18 00:00:01 US/Mountain
> 2002/10/19 00:00:01 US/Mountain
> 2002/10/20 00:00:01 US/Mountain
> 2002/10/21 00:00:01 US/Mountain
> 2002/10/22 00:00:01 US/Mountain
> 2002/10/23 00:00:01 US/Mountain
> 2002/10/24 00:00:01 US/Mountain
> 2002/10/25 00:00:01 US/Mountain
> 2002/10/26 00:00:01 US/Mountain
> 2002/10/27 00:00:01 US/Mountain
> 2002/10/27 23:00:01 US/Mountain
> 2002/10/28 23:00:01 US/Mountain
> 2002/10/29 23:00:01 US/Mountain
> 2002/10/30 23:00:01 US/Mountain
> 2002/10/31 23:00:01 US/Mountain
> 
> This seems to happen on the last Sunday in October of any year. Weird.
> Any input on this would help me out.
> 
> --colyn 
> 
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