I have had the following information regarding Sakha (which according to my Russian source is the only area split across more than 1 timezone: The following rayons fall in to each time zone. [] indicates the tz canonical name 8-th zone(MSK+6) [Europe/Yakutsk] Aldansky Amginsky Anabarsky Bulunsky Verkhnevilyuisky Verkhnekolymsky Vilyuisky Gorny Zhigansky Kobyaisky Lensky Megino-Kangalassky Mirninsky Namsky Nyurbinsky Olyokminsky Olenyoksky Srednekolymsky Suntarsky Tattinsky Khangalassky Ust-Aldansky Churapchinsky Eveno-Bytantaisky 9-th zone(MSK+7): [Europe/Vladivostock] Ust-Yansky Tomponsky Verkhoyansky Ust-Maisky 10-th zone(MSK+8): [Europe/Magadan] Abyisky Momsky Oimyakonsky Allaikhovsky Nizhnekolymsky Regards, Russian Information Service RISER [Also the map at http://wwg.lgg.ru/russia/timezone.html ] My database is now updated Best wishes Alan Pritchard The GLOBAL GAZETTEER: the world on file http://www.allm-geodata.com Tel: +44 (0) 1202 417 477