l.cacheStart = tx[i].when
			l.cacheEnd = omega
			if i+1 < len(tx) {
				l.cacheEnd = tx[i+1].when
			}
			l.cacheZone = &l.zone[tx[i].index]
		}
	}

	return l, nil
}

func loadZoneFilePlan9(name string) (*Location, error) {
	b, err := readFile(name)
	if err != nil {
		return nil, err
	}
	return loadZoneDataPlan9(string(b))
}

func initLocal() {
	t, ok := syscall.Getenv("timezone")