func Dt14ForInts(yyyy, mm, dd, hr, mn, dy int) int64 {
	sDt14 := fmt.Sprintf("%04d%02d%02d%02d%02d%02d", yyyy, mm, dd, hr, mn, dy)
	iDt14, err := strconv.ParseInt(sDt14, 10, 64)
	if err != nil {
		panic(err)
	}
	return int64(iDt14)
}