On 27 March 2011, Russia moved to year-round daylight saving time. Instead of switching between UTC+8 in winter and UTC+9 in summer, Irkutsk Time became fixed at UTC+9 until 2014, when it was reset back to UTC+8 year-round.
- "RUSSIA TIME ZONES - RUSSIA CURRENT TIMES". TimeTemperature.com. Retrieved 14 July 2012.
- "Russia: Putin abolishes 'daylight savings [sic]' time change". BBC News. 22 July 2014. Retrieved 30 January 2017.