How to change Time Format in VB.NET from 24 to 12?

I am using these codes for displaying time in VB.NET it shows up in 24 hours format besides i need it in 12 hours format

System.DateTime.No开发者_运维技巧w.Hour
System.DateTime.Now.Minute
System.DateTime.Now.Second

example:

14:12:42

I need it as :

02:12:42

thanks.

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Use String.Format. For example:

String.Format("{0:T}", System.DateTime.Now)           //02:12:42 PM
String.Format("{0:hh:mm:ss}", System.DateTime.Now)    //02:12:42
String.Format("{0:hh:mm:ss tt}", System.DateTime.Now) //02:12:42 PM

Also, this website to be very helpful in summarizing the various ways you can use String.Format. Keep in mind the culture can make a difference on non-custom formats. The first example above using T (Long Time format) works on my US-based PC just fine. But if you say:

String.Format(System.Globalization.CultureInfo.InvariantCulture, _
              "{0:T}", System.DateTime.Now)

You end up with 14:12:42. The latter two examples are custom formats and are not affected by culture.

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When using DateTime objects you can actually use the ToString() method and set your format inside it.

string currentTime = System.DateTime.Now.ToString("hh:mm:ss");

Check this msdn article out for more clarity:

http://msdn.microsoft.com/en-us/library/zdtaw1bw.aspx

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Use the appropriate format string for display.

string formatted = myDateTime.ToString("hh:mm:ss");

I have used a custom format string in this case.

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1-Use regex to get first two characters of that string ie from 23:11:59 get 23

2-convert this number to integer type

3-now check it if it is not greater than 12 and if it is subtract 12 from it and by using string.replace replace the old value.

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Try This...

  Dim CurTime As String
  CurTime = TimeOfDay.ToString("h:mm:ss tt")