99th meridian east

The meridian 99° 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.

99°

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99th meridian east

The 99th meridian east forms a great circle with the 81st meridian west.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 99th meridian east passes through:

Co-ordinates	Country, territory or sea	Notes
90°0′N 99°0′E	Arctic Ocean
80°45′N 99°0′E	Laptev Sea
80°3′N 99°0′E	Russia	Krasnoyarsk Krai — October Revolution Island, Severnaya Zemlya
78°48′N 99°0′E	Kara Sea
76°30′N 99°0′E	Russia	Krasnoyarsk Krai Irkutsk Oblast — from 57°44′N 99°0′E Tuva Republic — from 53°7′N 99°0′E Republic of Buryatia — from 52°55′N 99°0′E
52°7′N 99°0′E	Mongolia
42°36′N 99°0′E	People's Republic of China	Inner Mongolia Gansu — from 40°47′N 99°0′E Qinghai — from 38°57′N 99°0′E Sichuan — from 33°5′N 99°0′E Tibet — from 30°9′N 99°0′E Sichuan — for about 9 km from 29°47′N 99°0′E Tibet — from 29°38′N 99°0′E Yunnan — for about 12 km from 29°12′N 99°0′E Tibet — for about 7 km from 29°6′N 99°0′E Yunnan — from 29°1′N 99°0′E
23°10′N 99°0′E	Myanmar (Burma)
19°46′N 99°0′E	Thailand	Passing through Chiang Mai at around 18°48'N
14°1′N 99°0′E	Myanmar (Burma)
10°50′N 99°0′E	Thailand
7°53′N 99°0′E	Strait of Malacca	Passing just west of Ko Lanta Yai island, Thailand (at 7°38′N 99°1′E) Passing just west of Ko Rawi island, Thailand (at 6°32′N 99°10′E)
3°39′N 99°0′E	Indonesia	Island of Sumatra
0°49′N 99°0′E	Indian Ocean	Passing just east of the island of Pini, Indonesia (at 0°6′N 98°51′E)
1°10′S 99°0′E	Indonesia	Island of Siberut
1°46′S 99°0′E	Indian Ocean
60°0′S 99°0′E	Southern Ocean
65°47′S 99°0′E	Antarctica	Australian Antarctic Territory, claimed by Australia

Next westward: 98th meridian east

99th meridian east forms a great circle with 81st meridian west

Next eastward: 100th meridian east