The company I work for uses Microsoft libraries, and we deal with timezones and DST all the time. In my opinion, Microsoft does a great job keeping track of the

The company I work for uses Microsoft libraries, and we deal with timezones and DST all the time. In my opinion, Microsoft does a great job keeping track of the different changes instituted by politicians around the world. It's unfortunate that the two systems aren't in sync, but they were developed in parallell and have different data structures.