1°

1st parallel south

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The 1st parallel south is a circle of latitude that is 1 degree (69.2 miles/111.36 kilometers)south of the Earth's equatorial plane. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Southeast Asia, Australasia, the Pacific Ocean and South America.

The parallel defines most of the border between Uganda and Tanzania, and a very short section of the border between Kenya and Tanzania.^[1]

Around the world

Starting at the Prime Meridian and heading eastwards, the parallel 1° south passes through:

Co-ordinates	Country, territory or sea	Notes
1°0′S 0°0′E / 1.000°S 0.000°E / -1.000; 0.000 (Prime Meridian)	Atlantic Ocean
1°0′S 8°52′E / 1.000°S 8.867°E / -1.000; 8.867 (Gabon)	Gabon
1°0′S 14°25′E / 1.000°S 14.417°E / -1.000; 14.417 (Republic of the Congo)	Republic of the Congo
1°0′S 17°20′E / 1.000°S 17.333°E / -1.000; 17.333 (Democratic Republic of the Congo)	Democratic Republic of the Congo
1°0′S 29°35′E / 1.000°S 29.583°E / -1.000; 29.583 (Uganda)	Uganda
1°0′S 30°45′E / 1.000°S 30.750°E / -1.000; 30.750 (Uganda / Tanzania Border)	Uganda / Tanzania border	Mostly in Lake Victoria
1°0′S 33°56′E / 1.000°S 33.933°E / -1.000; 33.933 (Kenya / Tanzania Border)	Kenya / Tanzania border	A short section of the border (about 11 km (6.8 mi)), entirely within Lake Victoria
1°0′S 34°1′E / 1.000°S 34.017°E / -1.000; 34.017 (Kenya)	Kenya	Passing about 30 km (19 mi) north of the capital, Nairobi
1°0′S 41°7′E / 1.000°S 41.117°E / -1.000; 41.117 (Somalia)	Somalia
1°0′S 42°2′E / 1.000°S 42.033°E / -1.000; 42.033 (Indian Ocean)	Indian Ocean	Passing just south of Addu Atoll, Maldives
1°0′S 98°39′E / 1.000°S 98.650°E / -1.000; 98.650 (Indonesia)	Indonesia	Island of Siberut
1°0′S 98°56′E / 1.000°S 98.933°E / -1.000; 98.933 (Mentawai Strait)	Mentawai Strait
1°0′S 100°21′E / 1.000°S 100.350°E / -1.000; 100.350 (Indonesia)	Indonesia	Island of Sumatra - passing just south of Padang
1°0′S 103°59′E / 1.000°S 103.983°E / -1.000; 103.983 (Karimata Strait)	Karimata Strait
1°0′S 109°27′E / 1.000°S 109.450°E / -1.000; 109.450 (Indonesia)	Indonesia	Islands of Maya Karimata and Borneo West Kalimantan Central Kalimantan East Kalimantan Passing just south of Nusantara (at 0°58′23″S 116°42′31″E / 0.97306°S 116.70861°E / -0.97306; 116.70861 (Nusantara))
1°0′S 117°8′E / 1.000°S 117.133°E / -1.000; 117.133 (Makassar Strait)	Makassar Strait
1°0′S 119°28′E / 1.000°S 119.467°E / -1.000; 119.467 (Indonesia)	Indonesia	Island of Sulawesi
1°0′S 120°30′E / 1.000°S 120.500°E / -1.000; 120.500 (Gulf of Tomini)	Gulf of Tomini
1°0′S 121°23′E / 1.000°S 121.383°E / -1.000; 121.383 (Indonesia)	Indonesia	Island of Sulawesi
1°0′S 122°47′E / 1.000°S 122.783°E / -1.000; 122.783 (Banda Sea)	Banda Sea
1°0′S 123°12′E / 1.000°S 123.200°E / -1.000; 123.200 (Indonesia)	Indonesia	Island of Sulawesi
1°0′S 123°22′E / 1.000°S 123.367°E / -1.000; 123.367 (Molucca Sea)	Molucca Sea
1°0′S 128°19′E / 1.000°S 128.317°E / -1.000; 128.317 (Indonesia)	Indonesia	Island of Damar
1°0′S 128°24′E / 1.000°S 128.400°E / -1.000; 128.400 (Halmahera Sea)	Halmahera Sea
1°0′S 130°38′E / 1.000°S 130.633°E / -1.000; 130.633 (Indonesia)	Indonesia	Islands of Salawati and New Guinea
1°0′S 134°3′E / 1.000°S 134.050°E / -1.000; 134.050 (Cenderawasih Bay)	Cenderawasih Bay
1°0′S 134°48′E / 1.000°S 134.800°E / -1.000; 134.800 (Indonesia)	Indonesia	Island of Numfor
1°0′S 134°57′E / 1.000°S 134.950°E / -1.000; 134.950 (Cenderawasih Bay)	Cenderawasih Bay
1°0′S 135°48′E / 1.000°S 135.800°E / -1.000; 135.800 (Indonesia)	Indonesia	Island of Biak
1°0′S 136°8′E / 1.000°S 136.133°E / -1.000; 136.133 (Pacific Ocean)	Pacific Ocean	Passing just north of the atolls of Pelleluhu and Heina, Papua New Guinea Passing just south of the Kaniet Islands, Papua New Guinea Passing just south of Banaba Island, Kiribati Passing between the atolls of Nonouti and Tabiteuea, Kiribati
1°0′S 91°26′W / 1.000°S 91.433°W / -1.000; -91.433 (Ecuador)	Ecuador	Island of Isabela
1°0′S 91°4′W / 1.000°S 91.067°W / -1.000; -91.067 (Pacific Ocean)	Pacific Ocean	Passing just south of the island of San Cristóbal, Ecuador
1°0′S 80°51′W / 1.000°S 80.850°W / -1.000; -80.850 (Ecuador)	Ecuador	Passing just south of Manta
1°0′S 75°23′W / 1.000°S 75.383°W / -1.000; -75.383 (Peru)	Peru
1°0′S 74°16′W / 1.000°S 74.267°W / -1.000; -74.267 (Colombia)	Colombia
1°0′S 69°25′W / 1.000°S 69.417°W / -1.000; -69.417 (Brazil)	Brazil	Amazonas Roraima Amazonas Pará Amapá Maranhão Pará - islands of Grande do Gurupá and Marajó, and the mainland
1°0′S 46°11′W / 1.000°S 46.183°W / -1.000; -46.183 (Atlantic Ocean)	Atlantic Ocean

References

^ Médard, H. (1 May 2019). ""The Kagera River and the Making of a Contested Boundary: Territorial Legacies and Colonial Demarcations in Buganda (19th–20th Centuries) " with Ikram Kidari". The International Journal of African Historical Studies. 52: 11–30.