Using strtotime() with a starting epoch timestamp

 
<?
$november = mktime(0,0,0,11,1,2008);
?>

1.	Calculating a date interval with strtotime()
2.	Checking a date range
3.	int strtotime ( string time [, int now] ) converts strings to a timestamp
4.	Using strtotime()
5.	Find the First monday on or after November 1, 2008
6.	Find weekday
7.	Finding the Date for a Weekday
8.	Getting the Day and Week of the Year
9.	If PHP is unable to convert your string into a timestamp, it will return -1.
10.	Obtaining the Difference Between Two Dates
11.	Subtracts a year from a given timestamp

Using strtotime() with a starting epoch timestamp : strtotime « String « PHP