Days between two dates
jns at gellyfish.com
Thu Dec 22 15:55:01 GMT 2005
On Thu, 2005-12-22 at 15:25, Delfim Machado wrote:
> On Dec 22, 2005, at 15:10, Paul Makepeace wrote:
> > A should-be-obvious question. How does one find the number of days
> > between two dates, without converting to epoch? (so I can do while
> > --$days >= 0) I thought ($end_dt - $start_dt)->in_units('days')
> > would do
> > it but if the ::Duration ends up with a 'month' figure data is
> > effectively
> > lost (which month? i.e. how long?) and then you can't convert to days.
> > Here's an example where there's a definite answer but DateTime loses
> > info by having its ::Duration use months:
> > $ perl -MDateTime -le '
> > $s=DateTime->new(year => 2005, month => 10, day => 1);
> > $d=DateTime->new(year => 2005, month => 12, day => 1);
> > print(($d-$s)->in_units("days"))'
> > 0
> > $
> you can use Date::Calc qw(Date_to_Days).
I would guess that the Delta_* functions from Date::Calc are nearer the
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