How to use ZoneInfo/TZ Time Zones in .Net Applications

While recently working on the live tile implementation for my Windows Phone 7 hobby project InTheKnow, I had a need to implement Unix Time Zone support using a TZ database. This list of Time Zones is widely used by Unix systems around the world as their source of Time Zone information. Sadly Microsoft’s .Net framework doesn’t have any support for this library – but like other parts of the framework that developers have found to be lacking, there is a library out there to fill the gap.