Dim t As TimeSpan Dim t1 As Date = "10:12:05" Dim t2 As Date = "13:14:15" Dim result As Date t = t2.Subtract(t1) result = t.Hours & ":" & t.Minutes & ":" & t.Seconds
date1= system.datetime.now
date2 = System.DateTime.Now Dim temps As TimeSpan = date2.Subtract(date1) Dim H = temps.Hours Dim M = temps.Minutes Dim S = temps.Seconds Label_temps.Text = Format(H, "00") & ":" & Format(M, "00") & ":" & Format(S, "00")
Dim hh As Integer = 0 Dim mn As Integer = 0 Dim ss As Integer = 0 Dim t1 As Date = "10:12:05" Dim t2 As Date = "13:14:15" ss = DateDiff(DateInterval.Second, t1, t2) If ss <> 0 Then hh = ss \ 3600 ss = ss - hh * 3600 mn = ss \ 60 ss = ss - mn * 60 End If TextBox1.Text = Format(hh, "00") & "h" & Format(mn, "00") & "'" & Format(ss, "00")
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