now.go
func (now *Now) EndOfMinute() time.Time {
	return now.BeginningOfMinute().Add(time.Minute - time.Nanosecond)
}
func (now *Now) EndOfMinute() time.Time {
	return now.BeginningOfMinute().Add(time.Minute - time.Nanosecond)
}
// EndOfMinute end of minute