On Sat, Mar 27, 2010 at 10:26 PM, Gary <gwpaul@xxxxxxx> wrote: > [...] > $end_date=date('m-d-Y',strtotime('$mth')) + date('m-d-Y', > strtotime('$pay_date')); > > [...] Try changing above to: $end_date = date('m-d-Y',strtotime("$pay_date + $mth months")); I think your mail client took it out of the add_date function.