const time.RFC3339

7 uses

	time (current package)
		format.go#L82: 	RFC3339     = "2006-01-02T15:04:05Z07:00"
		time.go#L1263: 	*t, err = Parse(`"`+RFC3339+`"`, string(data))
		time.go#L1283: 	*t, err = Parse(RFC3339, string(data))

	crypto/x509
		verify.go#L599: 			Detail: fmt.Sprintf("current time %s is before %s", now.Format(time.RFC3339), c.NotBefore.Format(time.RFC3339)),
		verify.go#L605: 			Detail: fmt.Sprintf("current time %s is after %s", now.Format(time.RFC3339), c.NotAfter.Format(time.RFC3339)),