AssemblyVersionAttribute explained–Part 2

There has been some interest in my blog post about AssemblyVersionAttribute explained regarding how build numbers are calculated from the date when the application was compiled. So I thought I could also make a post on how to calculate the date from the build number.

So if you have set the AssemblyVersionAttribute in your application to the following:

[assembly: AssemblyVersion("1.0.*")]

you could calculate the date from the build number using the following code snippet:

 Version version = Assembly.GetExecutingAssembly().GetName().Version;
 
 DateTime date = new DateTime(2000, 1, 1);
 date = date.AddDays(version.Build);
 date = date.AddSeconds(version.Revision * 2);
 
 if (date.IsDaylightSavingTime())
 {
     date = date.Add(TimeZone.CurrentTimeZone.GetDaylightChanges(date.Year).Delta);
 }

 Console.WriteLine(version.ToString() + " => " + date.ToString());

This code snippet would output this:

1.0.4532.14997 => 2012-05-29 09:19:54