Hi!
The best way is to make a own function that retrieves the desired format that you want.
But according to this:
M One-digit month number.
d One-digit day of the month.
HH Two-digit hours on 24-hour scale.
mm Two-digit minutes.
yy Two-digit year.
You also can try this options:
Sub Main()
Dim Rightnow As DateTime = DateTime.Now
MessageBox.Show(Rightnow.ToString("d"))
MessageBox.Show(Rightnow.ToString("D"))
MessageBox.Show(Rightnow.ToString("f"))
MessageBox.Show(Rightnow.ToString("F"))
MessageBox.Show(Rightnow.ToString("g"))
MessageBox.Show(Rightnow.ToString("G"))
MessageBox.Show(Rightnow.ToString("m"))
MessageBox.Show(Rightnow.ToString("M"))
MessageBox.Show(Rightnow.ToString("o"))
MessageBox.Show(Rightnow.ToString("O"))
MessageBox.Show(Rightnow.ToString("s"))
MessageBox.Show(Rightnow.ToString("t"))
MessageBox.Show(Rightnow.ToString("T"))
MessageBox.Show(Rightnow.ToString("u"))
MessageBox.Show(Rightnow.ToString("U"))
MessageBox.Show(Rightnow.ToString("y"))
MessageBox.Show(Rightnow.ToString("Y"))
End Sub
And that will show something like:
"13/02/2016"
"dissabte, 13 de febrer de 2016"
"dissabte, 13 de febrer de 2016 12:23"
"dissabte, 13 de febrer de 2016 12:23:56"
"13/02/2016 12:23"
"13/02/2016 12:23:56"
"13 de febrer"
"13 de febrer"
"2016-02-13T12:23:56.9722631+01:00"
"2016-02-13T12:23:56.9722631+01:00"
"2016-02-13T12:23:56"
"12:23"
"12:23:56"
"2016-02-13 12:23:56Z" &
"dissabte, 13 de febrer de 2016 11:23:56" &
"de febrer de 2016"
"de febrer de 2016"
My results appears in Catalan because of the regional config :P
Hope this helps you! ;)