title: Preferred method for handling Y2K date conversions?
body: <p>Is there a preferred algorithm for converting a 2-digit year into a 4-digit year?</p>
  
  <p>I have a 2-digit birth date (along with month and day) that I want to convert to a C# <code>DateTime</code>. Obiviously, birthdates cannot be in the future, but is there an existing facility in .NET to convert a 2-digit year into a four-digit year? </p>