Question : TimeZone -- CountryCode list

Is there any free list to download all countries corresponding TimeZones?
Related to Offset To GMT

CountryCode  GMTOffset
AF                   -2
AL                   -6
DZ                    7

Answer : TimeZone -- CountryCode list

Sometimes there are more timezones in one country. (fe America, Russia).
You can use these sites to get a countrycode-list and the corresponding timezone
http://www.timezoneconverter.com/cgi-bin/zonehelp.tzc
and http://www.datamystic.com/timezone/time_zones.html