Problems when creating a record with Go and Postgresql from GORM Data type time.Time

When I try to send information from POSTMAN, I get an error with dates

Error Line: err: = json.NewDecoder (r.Body) .Decode (& amp)

ERROR:

{"message": "Error reading the data of the entities to be registered: parsing time \" 2012-12-02 \ "as \" 2006-01-02T15: 04: 05.999999-07: 00 \ ": can not parse \ "\" as \ "T \" "," code ": 400}

func EnteCreate (w http.ResponseWriter, r * http.Request) {     entity: = models.Ente {}     m: = models.Message {}     user: = models.User {}

user, _ = r.Context().Value("user").(models.User)

err := json.NewDecoder(r.Body).Decode(&ente)
if err != nil {
    m.Message = fmt.Sprintf("Error al leer los datos de los entes a registrar: %s", err)
    m.Code = http.StatusBadRequest
    commons.DisplayMessage(w, m)
    return
}

ente.UserID = user.ID

db := configuration.GetConnection()
defer db.Close()

err = db.Create(&ente).Error
if err != nil {
    m.Message = fmt.Sprintf("Error al  crear el registro: %s", err)
    m.Code = http.StatusBadRequest
    commons.DisplayMessage(w, m)
    return
}

m.Message = "Ente creado con éxito"
m.Code = http.StatusOK
commons.DisplayMessage(w, m)

}