now.go
func (now *Now) EndOfYear() time.Time {
	return now.BeginningOfYear().AddDate(1, 0, 0).Add(-time.Nanosecond)
}
func (now *Now) EndOfYear() time.Time {
	return now.BeginningOfYear().AddDate(1, 0, 0).Add(-time.Nanosecond)
}
// EndOfYear end of year