Set Value Type in DataGridView

I am wondering how I can set the cells data type to a time format.

How do I change/set the datatypes for cells?

Thanks,
JOe K.

Private Sub frmTimeSheet_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        dgvTimeSheet.Columns.Add("Monday", "Monday")
        dgvTimeSheet.Columns.Add("Tuesday", "Tuesday")
        dgvTimeSheet.Columns.Add("Wednesday", "Wednesday")
        dgvTimeSheet.Columns.Add("Thursday", "Thursday")
        dgvTimeSheet.Columns.Add("Friday", "Friday")
 
        dgvTimeSheet.Rows.Add(2)
        dgvTimeSheet.Rows(0).HeaderCell.Value = "Start Time:"
        dgvTimeSheet.RowHeadersWidthSizeMode = DataGridViewRowHeadersWidthSizeMode.AutoSizeToAllHeaders
        dgvTimeSheet.Rows(1).HeaderCell.Value = "End Time:"
        txtName.Focus()
 
    End Sub

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