const time.DateTime

3 uses

	time (current package)
		format.go#L127: 	DateTime   = "2006-01-02 15:04:05"

	encoding/json/v2
		arshal_time.go#L337: 		a.format = time.DateTime

	io/fs
		format.go#L43: 	b = append(b, info.ModTime().Format(time.DateTime)...)