Use format specifiers to control the date display : Date Format « Date Time « VB.Net Tutorial

Public Class Tester
    Public Shared Sub Main
        Dim rightNow As Date = Now
        Dim result As New System.Text.StringBuilder

        ' ----- Use format specifiers to control the date display.
        result.Append("d: ").AppendLine(rightNow.ToString("d"))
        result.Append("D: ").AppendLine(rightNow.ToString("D"))
        result.Append("t: ").AppendLine(rightNow.ToString("t"))
        result.Append("T: ").AppendLine(rightNow.ToString("T"))
        result.Append("f: ").AppendLine(rightNow.ToString("f"))
        result.Append("F: ").AppendLine(rightNow.ToString("F"))
        result.Append("g: ").AppendLine(rightNow.ToString("g"))
        result.Append("G: ").AppendLine(rightNow.ToString("G"))
        result.Append("M: ").AppendLine(rightNow.ToString("M"))
        result.Append("R: ").AppendLine(rightNow.ToString("R"))
        result.Append("s: ").AppendLine(rightNow.ToString("s"))
        result.Append("u: ").AppendLine(rightNow.ToString("u"))
        result.Append("U: ").AppendLine(rightNow.ToString("U"))
        result.Append("y: ").AppendLine(rightNow.ToString("y"))


    End Sub

End Class
d: 11/05/2007
D: May 11, 2007
t: 9:09 PM
T: 9:09:27 PM
f: May 11, 2007 9:09 PM
F: May 11, 2007 9:09:27 PM
g: 11/05/2007 9:09 PM
G: 11/05/2007 9:09:27 PM
M: May 11
R: Fri, 11 May 2007 21:09:27 GMT
s: 2007-05-11T21:09:27
u: 2007-05-11 21:09:27Z
U: May 12, 2007 4:09:27 AM
y: May, 2007

5.2.Date Format
5.2.1.Use format specifiers to control the date display
5.2.2.Date format: dd
5.2.3.Date format: ddd
5.2.4.Date format: dddd
5.2.5.Date format: HH:mm:ss.fff z
5.2.6.Date format: yy/MM/dd g
5.2.7.Date format: s, u, Z
5.2.8.Date format: {0:dddd},
5.2.9.Date format: {0:d} ;{1:D}
5.2.10.Date format: {0:t} ;{1:T}
5.2.11.Date format: {0:f} ;{1:F}
5.2.12.Date format: {0:g} ;{1:G}
5.2.13.Date format: {0:m} ;{1:M}
5.2.14.Date format: {0:yyyy/MM/dd HH:mm:ss}
5.2.15.Date format: {0:MMMM-dd-yy HH:mm:ss}
5.2.16.Format the current date in various ways
5.2.17.Date and time and numeric values using several different cultures.
5.2.18.Custom Format Strings
5.2.19.Defines a custom format string that displays the day of the week in parentheses after the month name, day, and year.