$select_date = new PFC_OR(new UFC_Birthday('=', time()),
new PFC_And(new UFC_Birthday('<=', time() + self::WATCH_LIMIT),
new UFC_Birthday('>', $watch->date() + self::WATCH_LIMIT)));
$select_date = new PFC_OR(new UFC_Birthday('=', time()),
new PFC_And(new UFC_Birthday('<=', time() + self::WATCH_LIMIT),
new UFC_Birthday('>', $watch->date() + self::WATCH_LIMIT)));