100th meridian east - AbsoluteAstronomy.com

The meridian 100° east of Greenwich
Prime Meridian
The Prime Meridian is the meridian at which the longitude is defined to be 0°.The Prime Meridian and its opposite the 180th meridian , which the International Date Line generally follows, form a great circle that divides the Earth into the Eastern and Western Hemispheres.An international...

is a line of longitude

Longitude

Longitude is a geographic coordinate that specifies the east-west position of a point on the Earth's surface. It is an angular measurement, usually expressed in degrees, minutes and seconds, and denoted by the Greek letter lambda ....

that extends from the North Pole

North Pole

The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is, subject to the caveats explained below, defined as the point in the northern hemisphere where the Earth's axis of rotation meets its surface...

across the Arctic Ocean

Arctic Ocean

The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest and shallowest of the world's five major oceanic divisions...

, Asia

Asia

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

, the Indian Ocean

Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

, the Southern Ocean

Southern Ocean

The Southern Ocean comprises the southernmost waters of the World Ocean, generally taken to be south of 60°S latitude and encircling Antarctica. It is usually regarded as the fourth-largest of the five principal oceanic divisions...

, and Antarctica to the South Pole

South Pole

The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is one of the two points where the Earth's axis of rotation intersects its surface. It is the southernmost point on the surface of the Earth and lies on the opposite side of the Earth from the North Pole...

.

The 100th meridian east forms a great circle

Great circle

A great circle, also known as a Riemannian circle, of a sphere is the intersection of the sphere and a plane which passes through the center point of the sphere, as opposed to a general circle of a sphere where the plane is not required to pass through the center...

with the 80th meridian west

80th meridian west

The meridian 80° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Atlantic Ocean, the Caribbean Sea, Central America, South America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.In Antarctica, the...

.

Starting at the North Pole

North Pole

and heading south to the South Pole

South Pole

, the 100th meridian east passes through:

Co-ordinates	Country, territory or sea	Notes
90°0′N 100°0′E	Arctic Ocean Arctic Ocean The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest and shallowest of the world's five major oceanic divisions...
80°39′N 100°0′E	Laptev Sea Laptev Sea The Laptev Sea is a marginal sea of the Arctic Ocean. It is located between the northern coast of Siberia, the Taimyr Peninsula, Severnaya Zemlya and the New Siberian Islands. Its northern boundary passes from the Arctic Cape to a point with co-ordinates of 79°N and 139°E, and ends at the Anisiy...
79°51′N 100°0′E		October Revolution Island October Revolution Island October Revolution Island is the largest island of the Severnaya Zemlya group in the Russian Arctic.... , Severnaya Zemlya Severnaya Zemlya Severnaya Zemlya is an archipelago in the Russian high Arctic at around . It is located off mainland Siberia's Taymyr Peninsula across the Vilkitsky Strait...
78°55′N 100°0′E	Kara Sea Kara Sea The Kara Sea is part of the Arctic Ocean north of Siberia. It is separated from the Barents Sea to the west by the Kara Strait and Novaya Zemlya, and the Laptev Sea to the east by the Severnaya Zemlya....
78°16′N 100°0′E		Bolshevik Island Bolshevik Island Bolshevik Island is the southernmost island of the Severnaya Zemlya group in the Russian Arctic, and the second largest island in the group... , Severnaya Zemlya Severnaya Zemlya Severnaya Zemlya is an archipelago in the Russian high Arctic at around . It is located off mainland Siberia's Taymyr Peninsula across the Vilkitsky Strait...
77°57′N 100°0′E	Kara Sea Kara Sea The Kara Sea is part of the Arctic Ocean north of Siberia. It is separated from the Barents Sea to the west by the Kara Strait and Novaya Zemlya, and the Laptev Sea to the east by the Severnaya Zemlya....
76°27′N 100°0′E
51°45′N 100°0′E
42°39′N 100°0′E		Inner Mongolia Inner Mongolia Inner Mongolia is an autonomous region of the People's Republic of China, located in the northern region of the country. Inner Mongolia shares an international border with the countries of Mongolia and the Russian Federation... > Gansu Gansu ' is a province located in the northwest of the People's Republic of China.It lies between the Tibetan and Huangtu plateaus, and borders Mongolia, Inner Mongolia, and Ningxia to the north, Xinjiang and Qinghai to the west, Sichuan to the south, and Shaanxi to the east... > Inner Mongolia > Gansu > Qinghai Qinghai Qinghai ; Oirat Mongolian: ; ; Salar:) is a province of the People's Republic of China, named after Qinghai Lake... > Sichuan Sichuan ' , known formerly in the West by its postal map spellings of Szechwan or Szechuan is a province in Southwest China with its capital in Chengdu... > Yunnan Yunnan Yunnan is a province of the People's Republic of China, located in the far southwest of the country spanning approximately and with a population of 45.7 million . The capital of the province is Kunming. The province borders Burma, Laos, and Vietnam.Yunnan is situated in a mountainous area, with...
21°42′N 100°0′E	(Burma)
20°25′N 100°0′E
12°50′N 100°0′E	Gulf of Thailand Gulf of Thailand The Gulf of Thailand , also known in to Malays as Teluk Siam literally meant Gulf of Siam, is a shallow arm of the South China Sea.-Geography:...
12°13′N 100°0′E
12°10′N 100°0′E	Gulf of Thailand Gulf of Thailand The Gulf of Thailand , also known in to Malays as Teluk Siam literally meant Gulf of Siam, is a shallow arm of the South China Sea.-Geography:...
9°47′N 100°0′E		Islands of Ko Pha Ngan Ko Pha Ngan Ko Pha Ngan is an island in the Gulf of Thailand in South East Thailand. It is famous for its full moon party at Haad Rin Beach and as a backpackers destination. Ko Pha Ngan has two sister islands: the larger Ko Samui to the south and the smaller Ko Tao to the north.* Area: about 168 km²*... and Ko Samui Ko Samui Ko Samui island of Surat Thani Province , or often, simply Samui as it is referred to by locals, is an island off the east coast of the Kra Isthmus in Thailand, close to the mainland Surat Thani town. It is Thailand's second largest island, with an area of 228.7 km2 and a population of over...
9°25′N 100°0′E	Gulf of Thailand Gulf of Thailand The Gulf of Thailand , also known in to Malays as Teluk Siam literally meant Gulf of Siam, is a shallow arm of the South China Sea.-Geography:...
8°33′N 100°0′E
6°34′N 100°0′E	Strait of Malacca Strait of Malacca The Strait of Malacca is a narrow, stretch of water between the Malay Peninsula and the Indonesian island of Sumatra. It is named after the Malacca Sultanate that ruled over the archipelago between 1414 to 1511.-Extent:...	Passing just east of the Langkawi Langkawi Langkawi, officially known as Langkawi, the Jewel of Kedah is an archipelago of 104 islands in the Andaman Sea, some 30 km off the mainland coast of northwestern Malaysia. The islands are a part of the state of Kedah, which is adjacent to the Thai border... islands, > Passing just west of Penang Island Penang Island Penang Island is part of the state of Penang, on the west coat of Peninsular Malaysia. It was named Prince of Wales Island when it was occupied by the British East India Company on 12 August 1786, in honour of the birthday of the Prince of Wales, later King George IV... ,
2°43′N 100°0′E		Island of Sumatra Sumatra Sumatra is an island in western Indonesia, westernmost of the Sunda Islands. It is the largest island entirely in Indonesia , and the sixth largest island in the world at 473,481 km2 with a population of 50,365,538...
0°29′S 100°0′E	Indian Ocean Indian Ocean The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...
2°31′S 100°0′E		Island of North Pagai North Pagai North Pagai is one of the Mentawai Islands off the west coast of Sumatra in Indonesia. It is south of Sipura and north of South Pagai Island....
2°51′S 100°0′E	Indian Ocean Indian Ocean The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...
60°0′S 100°0′E	Southern Ocean Southern Ocean The Southern Ocean comprises the southernmost waters of the World Ocean, generally taken to be south of 60°S latitude and encircling Antarctica. It is usually regarded as the fourth-largest of the five principal oceanic divisions...
65°39′S 100°0′E	Antarctica	Australian Antarctic Territory Australian Antarctic Territory The Australian Antarctic Territory is a part of Antarctica. It was claimed by the United Kingdom and placed under the authority of the Commonwealth of Australia in 1933. It is the largest territory of Antarctica claimed by any nation... , claimed by

See also