time.Time timestamp JSON in Go

jsontime.go

type JSONTime time.Time

func (t JSONTime) MarshalJSON() ([]byte, error) {
	stamp := fmt.Sprintf("\"%d\"", time.Time(t).Unix())
	return []byte(stamp), nil
}

// If you are using gob you need to redefine MarshalBinary
func (t JSONTime) MarshalBinary() ([]byte, error) {
	return time.Time(t).MarshalBinary()
}