4
You did find the functions in the PHP manual, right?
date('[format]', [timestamp]); will give you a nicely formatted date. No need for calculators
with date(), time() and mktime() you have all the date functions, you'll need for the next 30 years or so.
(and don't get too accustomed to half-hour replies... sometimes you are lucky, sometimes you are not
- place your bets and spin the wheel )