Excel VBA - Multiple procedures in 1 sheet to set up multiple timers

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Here is an example project that you can draw from. This is only a portion of the code :

Private Sub CommandButton1_Click()
    Range("F3") = "00:00:00"
End Sub
Private Sub CommandButton2_Click()
    Range("H3") = "00:00:00"
End Sub
Private Sub CommandButton3_Click()
    Range("J3") = "00:00:00"
End Sub
Private Sub Timer1_start_Click()
    If Timer1_start.Caption = "Start" Then
        StartTimer1
    Else
        StopTimer1
    End If
End Sub
Private Sub Timer2_start_Click()
    If Timer2_start.Caption = "Start" Then
        StartTimer2
    Else
        StopTimer2
    End If
End Sub
Private Sub Timer3_start_Click()
    If Timer3_start.Caption = "Start" Then
        StartTimer3
    Else
        StopTimer3
    End If
End Sub