package utils import "time" func UnixToRfc3339(t int64) string { res := time.Unix(0, t).UTC() return res.Format(time.RFC3339) } func Rfc3339ToUnix(rfc string) (int64, error) { t, err := time.Parse(time.RFC3339, rfc) if err != nil { return 0, err } return t.UnixNano(), nil }