... 3.0.9 - 3.0.18 only, PHP 4 >= 4.0.0) easter_days -- Get number of days after March 21 on which Easter falls for a given year . int easter_days ( int year) . ... This function can be used instead of easter_date() to calculate Easter for years which fall outside the range of UNIX timestamps (i.e. before 1970 or after 2037). ... echo easter_days (1999); /* 14, i.e. April 4 */ echo easter_days (1492); /* 32, i.e. April 22 */ echo easter_days (1913); /* 2, i.e. March 23 */ . ... easter_date . ...