20th parallel north

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20°
20th parallel north
In Africa, the parallel defines part of the border between Libya and Sudan. 20th parallel Africa.svg
In Africa, the parallel defines part of the border between Libya and Sudan.

The 20th parallel north is a circle of latitude that is 20 degrees north of the Earth's equatorial plane. It crosses Africa, Asia, the Indian Ocean, the Pacific Ocean, North America, the Caribbean, and the Atlantic Ocean.

Contents

The parallel defines part of the border between Libya and Sudan. [1] Within Sudan it defines the border between the Northern and North Darfur states.

At this latitude the sun is visible for 13 hours, 21 minutes during the summer solstice and 10 hours, 55 minutes during the winter solstice. [2]

On 21 June, the maximum altitude of the sun is 93.44 degrees and 46.56 degrees on 21 December. In this case an angle larger than 90° means that the culmination takes place at an maximum altitude of 86.56 degrees in the opposite cardinal direction. In the northern torrid zone, the Sun remains in the south during winter, but can reach over the zenith to the north in midsummer.

Around the world

Starting at the Prime Meridian and heading eastwards, the parallel 20° north passes through:

CoordinatesCountry, territory or seaNotes
20°0′N0°0′E / 20.000°N 0.000°E / 20.000; 0.000 (Prime Meridian) Flag of Mali.svg  Mali
20°0′N2°43′E / 20.000°N 2.717°E / 20.000; 2.717 (Algeria) Flag of Algeria.svg  Algeria
20°0′N6°27′E / 20.000°N 6.450°E / 20.000; 6.450 (Niger) Flag of Niger.svg  Niger
20°0′N15°47′E / 20.000°N 15.783°E / 20.000; 15.783 (Chad) Flag of Chad.svg  Chad
20°0′N23°3′E / 20.000°N 23.050°E / 20.000; 23.050 (Libya) Flag of Libya.svg  Libya
20°0′N24°0′E / 20.000°N 24.000°E / 20.000; 24.000 (Libya / Sudan border) Flag of Libya.svg  Libya / Flag of Sudan.svg  Sudan border
20°0′N25°0′E / 20.000°N 25.000°E / 20.000; 25.000 (Sudan) Flag of Sudan.svg  Sudan The parallel defines the border between the Northern and North Darfur states
20°0′N37°11′E / 20.000°N 37.183°E / 20.000; 37.183 (Red Sea) Indian Ocean Red Sea
20°0′N40°28′E / 20.000°N 40.467°E / 20.000; 40.467 (Saudi Arabia) Flag of Saudi Arabia.svg  Saudi Arabia
20°0′N55°0′E / 20.000°N 55.000°E / 20.000; 55.000 (Oman) Flag of Oman.svg  Oman
20°0′N57°48′E / 20.000°N 57.800°E / 20.000; 57.800 (Indian Ocean) Indian Ocean Arabian Sea - Passing just south of Masirah Island, Flag of Oman.svg  Oman
20°0′N72°43′E / 20.000°N 72.717°E / 20.000; 72.717 (India) Flag of India.svg  India Maharashtra
Chhattisgarh
Odisha
Chhattisgarh
Odisha
20°0′N86°23′E / 20.000°N 86.383°E / 20.000; 86.383 (Indian Ocean) Indian Ocean Bay of Bengal
20°0′N92°57′E / 20.000°N 92.950°E / 20.000; 92.950 (Myanmar) Flag of Myanmar.svg  Myanmar (Burma)
20°0′N99°3′E / 20.000°N 99.050°E / 20.000; 99.050 (Thailand) Flag of Thailand.svg  Thailand
20°0′N100°32′E / 20.000°N 100.533°E / 20.000; 100.533 (Laos) Flag of Laos.svg  Laos
20°0′N104°58′E / 20.000°N 104.967°E / 20.000; 104.967 (Vietnam) Flag of Vietnam.svg  Vietnam
20°0′N106°11′E / 20.000°N 106.183°E / 20.000; 106.183 (South China Sea) Pacific Ocean Gulf of Tonkin, South China Sea
20°0′N110°8′E / 20.000°N 110.133°E / 20.000; 110.133 (China) Flag of the People's Republic of China.svg  People's Republic of China Island of Hainan — passing just south of Haikou
20°0′N110°56′E / 20.000°N 110.933°E / 20.000; 110.933 (South China Sea) Pacific Ocean South China Sea
20°0′N122°0′E / 20.000°N 122.000°E / 20.000; 122.000 (Pacific Ocean) Pacific Ocean Philippine Sea
- Passing between the Batanes and Babuyan islands at the Balintang Channel, Flag of the Philippines.svg  Philippines
- Passing just south of the Maug Islands, Flag of the Northern Mariana Islands.svg  Northern Mariana Islands
into an unnamed part of the Ocean
20°0′N155°50′W / 20.000°N 155.833°W / 20.000; -155.833 (United States) Flag of the United States (23px).png  United States Big Island, Hawaii
20°0′N155°15′W / 20.000°N 155.250°W / 20.000; -155.250 (Pacific Ocean) Pacific Ocean
20°0′N105°31′W / 20.000°N 105.517°W / 20.000; -105.517 (Mexico) Flag of Mexico.svg  Mexico Jalisco
Michoacan
Guanajuato
Querétaro
Mexico State
Hidalgo
Puebla
Veracruz
20°0′N96°33′W / 20.000°N 96.550°W / 20.000; -96.550 (Gulf of Mexico) Gulf of Mexico Bay of Campeche
20°0′N90°28′W / 20.000°N 90.467°W / 20.000; -90.467 (Mexico) Flag of Mexico.svg  Mexico Campeche
Yucatán
Quintana Roo
20°0′N87°28′W / 20.000°N 87.467°W / 20.000; -87.467 (Caribbean Sea) Caribbean Sea
20°0′N77°38′W / 20.000°N 77.633°W / 20.000; -77.633 (Cuba) Flag of Cuba.svg  Cuba
20°0′N74°52′W / 20.000°N 74.867°W / 20.000; -74.867 (Caribbean Sea) Caribbean Sea Windward Passage
20°0′N72°43′W / 20.000°N 72.717°W / 20.000; -72.717 (Haiti) Flag of Haiti.svg  Haiti Island of Tortuga
20°0′N74°52′W / 20.000°N 74.867°W / 20.000; -74.867 (Atlantic Ocean) Atlantic Ocean Passing just north of the island of Hispaniola, Flag of the Dominican Republic.svg  Dominican Republic
20°0′N16°14′W / 20.000°N 16.233°W / 20.000; -16.233 (Mauritania) Flag of Mauritania.svg  Mauritania
20°0′N5°59′W / 20.000°N 5.983°W / 20.000; -5.983 (Mali) Flag of Mali.svg  Mali

See also

Related Research Articles

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References

  1. Brownlie, Ian (1979). African Boundaries: A Legal and Diplomatic Encyclopedia. Institute for International Affairs, Hurst and Co. pp. 133–40.
  2. "Duration of Daylight/Darkness Table for One Year". U.S. Naval Observatory. 2019-09-24. Archived from the original on 2019-10-12. Retrieved 2021-03-10.