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Vietnam stretches along the coast of the South China Sea, with the northernmost point being more than 1,650 km from the southernmost. [1] Most extreme points are not in dispute with any other countries; only one extreme point, Tennent Reef, is disputed by China, Taiwan, and the Philippines as a part of the Spratly Islands dispute (though ...
Longitude is given as an angular measurement with 0° at the Prime Meridian, ranging from −180° westward to +180° eastward. The Greek letter λ (lambda) [38] [39] is used to denote the location of a place on Earth east or west of the Prime Meridian. Each degree of longitude is sub-divided into 60 minutes, each of which is divided into 60 ...
The first level of GEOREF divides the world into quadrangles each measuring 15 degrees of longitude by 15 degrees of latitude; this results in 24 zones of longitude and 12 bands of latitude. A longitude zone is identified by a letter from A to Z (omitting I and O) starting at 180 degrees and progressing eastward through the full 360 degrees of ...
Originally, many thước of varying lengths were in use in Vietnam, each used for different purposes. According to Hoàng Phê (1988), [1] the traditional system of units had at least two thước of different lengths before 1890, [2] the thước ta (lit. "our ruler") or thước mộc ("wooden ruler"), equal to 0.425 metres (1 ft 4.7 in), and the thước đo vải ("ruler for measuring ...
The Mekong Delta (Vietnamese: Đồng bằng Sông Cửu Long, lit. 'Nine Dragon River Delta' or simply Đồng Bằng Sông Mê Kông, 'Mekong River Delta'), also known as the Western Region (Vietnamese: Miền Tây) or South-western region (Vietnamese: Tây Nam Bộ), is the region in southwestern Vietnam where the Mekong River approaches and empties into the sea through a network of ...
The core zone of this national park covers 857.54 km 2 and a buffer zone of 1,954 km 2. [ 1 ] The park was created to protect one of the world's two largest karst regions with 300 caves and grottoes and also protects the ecosystem of limestone forest of the Annamite Range region in North Central Coast of Vietnam.
Longitude calculations can be simplified using a clock is set to the local time of a starting point whose longitude is known, transporting it to a new location, and using it for astronomical observations. The longitude of the new location can be determined by comparing the difference of local mean time and the time of the transported clock.
Đồng Tháp is a province in the Mekong Delta and Plain of Reeds region of southern Vietnam.Đồng Tháp is 165 kilometres (103 mi) from Ho Chi Minh City, bordered by Pray Veng province (Cambodia) in the north with a length of more than 48 kilometres (30 mi); Vĩnh Long and Cần Thơ in the south; An Giang in the west; and Long An and Tiền Giang in the east.