Library

holidays_us($year=false)

holidays_us returns the list of holidays in the USA (Federal Days) for the year $year or the current year by default.

function holidays_us($year=false) {
if (!$year) {
$year = intval(date('Y'));
}
function _adjustday($date) {
static $oneday=24*60*60;
$weekday=date('w', $date);
if ($weekday == 0) {
return $date + $oneday;
}
else if ($weekday == 6) {
return $date - $oneday;
}
return $date;
}
$holidays = array(
_adjustday(mktime(0, 0, 0, 1, 1, $year)), // New Year's Day
strtotime("3 Mondays", mktime(0, 0, 0, 1, 1, $year)), // Birthday of Martin Luther King, Jr.
strtotime("3 Mondays", mktime(0, 0, 0, 2, 1, $year)), // Wasthington's Birthday
strtotime("last Monday of May $year"), // Memorial Day
_adjustday(mktime(0, 0, 0, 7, 4, $year)), // Independence day
strtotime("first Monday of September $year"), // Labor Day
strtotime("2 Mondays", mktime(0, 0, 0, 10, 1, $year)), // Columbus Day
_adjustday(mktime(0, 0, 0, 11, 11, $year)), // Veteran's Day
strtotime("4 Thursdays", mktime(0, 0, 0, 11, 1, $year)), // Thanksgiving Day
_adjustday(mktime(0, 0, 0, 12, 25, $year)), // Christmas
);
return $holidays;
}

izend.org