how to change the time from DateTimePicker

Public Class Form2
    Public Sub New()

        ' This call is required by the Windows Form Designer.
        InitializeComponent()
        Me.Size = New Size(408, 328)
        Dim DateTimePicker1 As New DateTimePicker()
        DateTimePicker1.Location = New Point(10, 30)
        DateTimePicker1.Size = New Size(140, 32)

        Dim DateTimePicker2 As New DateTimePicker()
        DateTimePicker2.Location = New Point(190, 30)
        DateTimePicker2.Size = New Size(100, 32)
        DateTimePicker2.Format = DateTimePickerFormat.Time
        DateTimePicker2.ShowUpDown = True
        AddHandler DateTimePicker2.ValueChanged, AddressOf DateTimePicker2_ValueChanged

        Me.Controls.Add(DateTimePicker1)
        Me.Controls.Add(DateTimePicker2)

        ' Add any initialization after the InitializeComponent() call.

    End Sub
  
    Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub

    Private Sub DateTimePicker2_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)
        '?
    End Sub
End Class