' in the following code line, you put your needed times in the 24h format, with quotes, separated by a comma
' you can put as many times in, as you need
' this could be different, when your windows is set to 12h format, tha am/pm thing???
Dim zeiten As String() = {"09:53", "09:54", "09:55", "09:56", "09:57", "09:58"} 

'this is to check, if a new day has come. if this is true, the already executed times will be cleared
Dim lastExecutionDate As Date = Date.Today

' this array holds the already executed times
Dim executed As Boolean() = New Boolean(zeiten.Length - 1) {} 

'loop starts here
While True
    Dim currentTime As DateTime = DateTime.Now

    'check, if a new day has come, if this is true, the already executed times will be cleared
    If lastExecutionDate <> Date.Today Then
        executed = New Boolean(zeiten.Length - 1) {}
        lastExecutionDate = Date.Today
    End If

    'check if the actual time is in your array, and, if not already executed, execute the vMix comand or commands
    Dim currentFormattedTime As String = currentTime.ToString("HH:mm")
    For i As Integer = 0 To zeiten.Length - 1
        If zeiten(i) = currentFormattedTime AndAlso Not executed(i) Then
            ' here the vMix command will be executed, when a new time is true, you could add more commands here
            ' this example puts overlay 1 online, with Input1, please change this to your needs
            API.Function("OverlayInput1In", Input:="1")
            executed(i) = True ' mark the time as executed
            Exit For
        End If
    Next
    Sleep(200)
End While