now.go
func (now *Now) Between(begin, end string) bool {
	beginTime := now.MustParse(begin)
	endTime := now.MustParse(end)
	return now.After(beginTime) && now.Before(endTime)
}
func (now *Now) Between(begin, end string) bool {
	beginTime := now.MustParse(begin)
	endTime := now.MustParse(end)
	return now.After(beginTime) && now.Before(endTime)
}
// Between check time between the begin, end time or not