CSupportTimetableCache::GetDayNom

static function GetDayNom($d)
{
	if(self::Possible())
	{
		$localTime = new DateTime(null, self::GetTimeZone());
		$localTime->setTimestamp($d);
		$dayNom = intval($localTime->format("w")) - 1;
	}
	else
	{
		$dayNom = date("w", $d) - 1;
	}
	if($dayNom < 0)
	{
		$dayNom = 6;
	}
	return $dayNom;
}