const time.absoluteZeroYear

4 uses

	time (current package)
		time.go#L407: 	absoluteZeroYear = -292277022399
		time.go#L414: 	absoluteToInternal int64 = (absoluteZeroYear - internalYear) * 365.2425 * secondsPerDay
		time.go#L957: 	year = int(int64(y) + absoluteZeroYear)
		time.go#L1026: 	y := uint64(int64(year) - absoluteZeroYear)