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function passover ($y) {#-k DST holiday $r = roshHashanah ($y); $d = date ( 'd', $r ); $m = date ( 'm', $r ); if ($m == 10) $d+= 30; $a = strtotime ( $y . '-mar-21' ); $p = strtotime ( '+' . $d . ' days', $a ); return $p; }?>