public static string Format(this DateTimeValue dtv, string format)
 {
     return(DateFormatter.Format(Formatter.DefaultTranslator, dtv, format, dtv.Helper.CalendarType.ToString(), Lang.Default));
 }
 public static string Format(this DateTimeValue dtv, ITranslator translator, string format, string lang)
 {
     return(DateFormatter.Format(translator, dtv, format, dtv.Helper.CalendarType.ToString(), Lang.Get(lang)));
 }