بفرما. ببین کار میکنه یا نه.
Dim pc As New System.Globalization.PersianCalendar
Dim sb As New System.Text.StringBuilder
sb.Append(pc.GetYear(Now).ToString() & "/")
sb.Append(Format(pc.GetMonth(Now), "0#") & "/")
sb.Append(pc.GetDayOfMonth(Now).ToString())
Label1.Text = sb.ToString()