90th meridian east

90°

90th meridian east

The meridian 90° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole.

It is the border between two tropical cyclone basins: the Australian region, and the Southwest Indian Ocean basin.

The Ninety East Ridge is named after the meridian.

The 90th meridian east forms a great circle with the 90th meridian west.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 90th meridian east passes through:

Co-ordinates	Country, territory or sea	Notes
	Arctic Ocean
	Kara Sea	Passing just west of Schmidt Island, Krasnoyarsk Krai, Russia
	Russia	Krasnoyarsk Krai — Kirov Islands
	Kara Sea
	Russia	Krasnoyarsk Krai Republic of Khakassia — from Tuva Republic — from
	Mongolia	Bayan-Ölgii Province
	People's Republic of China	Xinjiang Qinghai — from Tibet — from
	Bhutan
	India	Assam Meghalaya — from
	Bangladesh
	Indian Ocean
	Southern Ocean
	Antarctica	Kaiser Wilhelm II Land, Australian Antarctic Territory, claimed by Australia

See also

• 89th meridian east
• 91st meridian east