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Which is the coldest time zone on earth?

Oymyakon is a rural locality (a selo) in Oymyakonsky District of the Sakha Republic, Russia, located along the Indigirka River, 30 kilometers (19 mi) northwest of Tomtor on the Kolyma Highway.


On February 6, 1933, a temperature of ?67.7 °C (?90 °F) was recorded at Oymyakon's weather station.This is, along with the same reading at Verkhoyansk, the lowest recorded temperature for any permanently inhabited location on Earth. It is also the lowest temperature recorded in the Northern Hemisphere. Only Antarctica has recorded lower official temperatures (the lowest being ?89.2 °C (?129 °F) near the Russian station of Vostok).

The actual weather station is in a valley between Oymyakon and Tomtor. The station is at 750 meters (2,460 ft) and the surrounding mountains at 1,100 meters (3,600 ft), causing cold air to pool in the valley: in fact, recent studies show that winter temperatures in the area increase with altitude by as much as 10°C (18°F).


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