Calculate Date and Time Difference Between Two Dates

A very common requirement is to display the Date and Time difference between two dates. Let us see how to do it:

C#

   DateTime date1 = 

   System.Convert.ToDateTime("2009-1-01 11:08:22");

   DateTime date2 = 

   System.Convert.ToDateTime("2009-1-02");

   TimeSpan ts = new TimeSpan();

   ts = date2.Subtract(date1);

   Response.Write(ts.Days + " Days " 

      + ts.Hours + " Hours " + 

      ts.Seconds + " Seconds ");        

 // Displays 0 Days 12 Hours 38 Seconds 

VB.NET

   Dim date1 As DateTime = _

    System.Convert.ToDateTime("2009-1-01 11:08:22")

   Dim date2 As DateTime = _

    System.Convert.ToDateTime("2009-1-02")

   Dim ts As New TimeSpan()

   ts = date2.Subtract(date1)

   Response.Write(ts.Days & " Days " & _

     ts.Hours & " Hours " & ts.Seconds & _

   " Seconds ")

 ' Displays 0 Days 12 Hours 38 Seconds 

The output displayed is : 0 Days 12 Hours 38 Seconds

If anyone has a requirement to do the same in SQL Server, check my post over here:

Find Hours, Minutes and Seconds in between two Datetime in SQL Server

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About The Author

Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

Follow him on twitter @suprotimagarwal