d := r.day - dow
		if d < 0 {
			d += 7
		}
		for i := 1; i < r.week; i++ {
			if d+7 >= daysIn(Month(r.mon), year) {
				break
			}
			d += 7
		}
		d += int(daysBefore[r.mon-1])
		if isLeap(year) && r.mon > 2 {
			d++
		}
		s = d * secondsPerDay
	}

	return s + r.time - off
}

// lookupName returns information about the time zone with