Yakutsk Time

Yakutsk Time (YAKT) is a time zone in Russia which is nine hours ahead of GMT, and six hours ahead of Moscow Time (MSK).

[1] The time zone covers Sakha Republic (western part), Amur Oblast and Zabaykalsky Krai.

[1] On 27 March 2011, Russia moved to year-round daylight saving time.

Instead of switching between UTC+09:00 in winter and UTC+10:00 in summer, Yakutsk Time became fixed at UTC+10:00 until 2014, when it was reset back to UTC+09:00 year-round.

[2]

Time in Russia
KALT Kaliningrad Time UTC+2 (MSK−1)
MSK Moscow Time UTC+3 (MSK±0)
SAMT Samara Time UTC+4 (MSK+1)
YEKT Yekaterinburg Time UTC+5 (MSK+2)
OMST Omsk Time UTC+6 (MSK+3)
KRAT Krasnoyarsk Time UTC+7 (MSK+4)
IRKT Irkutsk Time UTC+8 (MSK+5)
YAKT Yakutsk Time UTC+9 (MSK+6)
VLAT Vladivostok Time UTC+10 (MSK+7)
MAGT Magadan Time UTC+11 (MSK+8)
PETT Kamchatka Time UTC+12 (MSK+9)