On Tue, Sep 01, 2009 at 02:47:43PM -0400, Andrew Ballard wrote:

> On Tue, Sep 1, 2009 at 1:27 PM, tedd<tedd.sperl...@gmail.com> wrote:
> > First get the date to seconds, like so:
> >
> > $today_date = '8/26/2009';
> >
> > $next_date = strtotime($today_date) + (86400 * 30);
> >
> 
> No. Due to Daylight Saving Time, many time zones have two days each
> year when the number of seconds in a day is not 86400.

This and the "2038" bug are reasons to do this type of calculation with
Julian days, as opposed to seconds.

Paul

-- 
Paul M. Foster

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