The current OS/2 DCF77 driver has a bug with the years greater 2000. Now there exits a bug-fix. Download Driver 2.00.0 alone if you still have a 1.99 beta version installed. For the complete version 2.00.0 download DCF2000.ZIP.
-> URL: http://www.prog-link.com/news/indexe.html
Source: OS/2 ORG