Definition: Because Easter always falls on a Sunday, its numeric date changes every year. If we need to dynamically mark this on the calendar, we can use the easter_date () function. This function returns the timestamp for easter of a given year, or if no year is specified, the date of easter in the current year is returned. It is written as: easter_date (optional_year) ;
Also Known As: Easter Date, Easter Sunday
Examples:
<?php
echo easter_date(2005) ;
// Returns 1111899600
echo date("M-d-Y", easter_date(2006)) ;
//Returns Apr-16-2006
echo date("M-d-Y", easter_date()) ;
// Returns date of Easter for current year
?> 