function orthodox_easter()

function orthodox_easter($year) { /* The Date of Orthodox Easter: An algorithm based on Oudin's Algorithm Based on http://www.smart.net/~mmontes/ortheast.html#ALG

    18-Oct-2003, Panayotis Vryonis <panayotis @ vrypan.net >

    ex. usage: echo date ("l dS of F Y h:i:s A",orthodox_easter(2004) )
    */
    $G = $year % 19 ;
    $I = (19*$G + 15) % 30 ;
    $J = ($year + floor($year/4) + $I) % 7 ;
    $L = $I - $J ;
    $EasterMonth = 3 + floor( ($L + 40)/44 );
    $EasterDay = $L + 28 - 31*floor($EasterMonth/4) ;

    if ($year<2100) $toGregorian=13 ;
    else $toGregorian=14 ;

    $ret = mktime(0,0,0,$EasterMonth,$EasterDay+$toGregorian,$year) ;
    return $ret ;