Rui Fernandes wrote:
Is there any connection between the rules and the last observance in the cities's files? The rules, I understand. Can I use them for future values Dave?
You can only be sure that rules work for times in the past. The rules can be changed at any time in the future. You can learn more about the time zone database here: http://www.twinsun.com/tz/tz-link.htm - Flavio S. Glock
