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.

90°
90th meridian east

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.

This meridian is halfway between the Prime meridian and the 180th meridian and the center of the Eastern Hemisphere is on this meridian.

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
90°0′N 90°0′E Arctic Ocean Geographic North Pole
81°9′N 90°0′E Kara Sea Passing just west of Schmidt Island, Krasnoyarsk Krai,  Russia
77°7′N 90°0′E  Russia Krasnoyarsk Krai — Kirov Islands
77°6′N 90°0′E Kara Sea
75°33′N 90°0′E  Russia Krasnoyarsk Krai
Republic of Khakassia — from 55°8′N 90°0′E
Tuva Republic — from 51°40′N 90°0′E
50°1′N 90°0′E  Mongolia Bayan-Ölgii Province
47°53′N 90°0′E  People's Republic of China Xinjiang
Qinghai — from 36°10′N 90°0′E
Tibet — from 33°42′N 90°0′E
28°19′N 90°0′E  Bhutan
26°44′N 90°0′E  India Assam - passing just east of Dhubri
Meghalaya — from 25°50′N 90°0′E
25°16′N 90°0′E  Bangladesh
21°59′N 90°0′E Indian Ocean
60°0′S 90°0′E Southern Ocean
66°46′S 90°0′E Antarctica Kaiser Wilhelm II Land, Australian Antarctic Territory, claimed by  Australia
90°0′S 90°0′E Antarctica Geographic South Pole

See also

Next westward:
89th meridian east
90th meridian east
forms a great circle with
90th meridian west
Next eastward:
91st meridian east
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