Circles of latitude between the 55th parallel south and the 80th parallel south
Following arecircles of latitude between the 55th parallel south and the 80th parallel south.The55th parallel south, crossing the southernmost point ofChile, is the last line of latitude moving southward to touch any part of any continent other than Antarctica, other than minor outlying islands.

56th parallel south
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The56th parallel south is acircle of latitude that is 56degreessouth of theEarth'sequatorial plane. No land lies on the parallel — it crosses nothing but ocean.
At this latitude thesun is visible for 17 hours, 37 minutes during theDecember solstice and 6 hours, 57 minutes during theJune solstice.[1]
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 56° south passes through:
Coordinates Ocean Notes 56°0′S0°0′E / 56.000°S 0.000°E /-56.000; 0.000 (Prime Meridian) Atlantic Ocean 56°0′S20°0′E / 56.000°S 20.000°E /-56.000; 20.000 (Indian Ocean) Indian Ocean 56°0′S147°0′E / 56.000°S 147.000°E /-56.000; 147.000 (Pacific Ocean) Pacific Ocean Passing through theDrake Passage betweenSouth America andAntarctic Peninsula 56°0′S67°17′W / 56.000°S 67.283°W /-56.000; -67.283 (Pacific Ocean) Pacific Ocean Passing approximately 2 kilometers south ofHornos Island (Cape Horn), Chile 56°0′S67°16′W / 56.000°S 67.267°W /-56.000; -67.267 (Atlantic Ocean) Atlantic Ocean Running through theScotia Sea. 56°0′S36°6′W / 56.000°S 36.100°W /-56.000; -36.100 (Atlantic Ocean) Atlantic Ocean Passing approximately 122 kilometers south ofSouth Georgia, South Georgia and the South Sandwich Islands (claimed by Argentina).
57th parallel south
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The57th parallel south is acircle of latitude that is 57degreessouth of theEarth'sequatorial plane. No land lies on the parallel — it crosses nothing but ocean.
At this latitude thesun is visible for 17 hours, 53 minutes during theDecember solstice and 6 hours, 43 minutes during theJune solstice. On December 21, the sun is at 56.44 degrees in the sky and on June 21, the sun is at 9.56 degrees in the sky. During the summer solstice, nighttime does not get beyondnautical twilight, a condition which lasts throughout the month of December. It is possible to view both astronomical dawn and dusk every day of the month of October.[2]
The maximumaltitude of the Sun is > 18.00º in April and > 11.00º in May.
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 57° south passes through:
Coordinates Ocean Notes 57°0′S0°0′E / 57.000°S 0.000°E /-57.000; 0.000 (Prime Meridian) Atlantic Ocean 57°0′S20°0′E / 57.000°S 20.000°E /-57.000; 20.000 (Indian Ocean) Indian Ocean 57°0′S147°0′E / 57.000°S 147.000°E /-57.000; 147.000 (Pacific Ocean) Pacific Ocean Passing through theDrake Passage betweenSouth America and theAntarctic Peninsula 57°0′S67°16′W / 57.000°S 67.267°W /-57.000; -67.267 (Atlantic Ocean)[3] Atlantic Ocean Running through theScotia Sea, passing 8 kilometers north ofVindication Island andCandlemas Island, South Georgia and the South Sandwich Islands (claimed by Argentina)
58th parallel south
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The58th parallel south is acircle of latitude that is 58degreessouth of theEarth'sequatorial plane. No land lies on the parallel — it crosses nothing but ocean.
At this latitude thesun is visible for 18 hours, 11 minutes during theDecember solstice and 6 hours, 27 minutes during theJune solstice.[4]
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editStarting at thePrime Meridian and heading eastwards, the parallel 58° south passes through:
59th parallel south
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The59th parallel south is acircle of latitude that is 59degreessouth of theEarth'sequatorial plane. The only landmass on this parallel isBristol Island.[a]
At this latitude thesun is visible for 18 hours, 30 minutes during theDecember solstice and 6 hours, 10 minutes during theJune solstice.[5]
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 59° south passes through:
60th parallel south
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The60th parallel south is acircle of latitude that is 60degreessouth ofEarth'sequatorial plane. No land lies on the parallel—it crosses nothing but ocean. The closest land is a group of rocks north ofCoronation Island (Melson Rocks or Governor Islands) of theSouth Orkney Islands, which are about 54 km south of the parallel, andThule Island andCook Island of theSouth Sandwich Islands, which both are about 57 km north of the parallel (with Cook Island slightly closer).[6]
The parallel marks the northern limit of theSouthern Ocean (though some organisations and countries, notablyAustralia, have other definitions) and of theAntarctic Treaty System. It also marks the southern boundary of theSouth Pacific Nuclear-Weapon-Free Zone and theLatin American Nuclear-Weapon-Free Zone.
At this latitude the sun is visible for 18 hours, 52 minutes during the December solstice and 5 hours, 52 minutes during the June solstice. On December 21, the sun is at 53.44 degrees up in the sky and 6.56 degrees on June 21. The sun's altitude is exactly 30 degrees at either equinox.
The latitudes south of this parallel are often referred to as the Screaming 60s due to the prevailing high-speed, westerly winds which can generate large waves in excess of 15 m (50 ft) and peak wind speeds over 145 km/h (90 mph).[7]
The maximumaltitude of the Sun is > 15.00º in April and > 8.00º in May.
The lowest latitude wherewhite nights can be observed is approximately on this parallel.
During the summer solstice, nighttime does not get beyondnautical twilight, a condition which lasts throughout the month of December. It is possible to view both astronomical dawn and dusk every day between February 17 and October 24.
Around the world
editStarting at theprime meridian and heading eastwards, the parallel 60° south passes through:
Coordinates Ocean Notes 60°0′S0°0′E / 60.000°S 0.000°E /-60.000; 0.000 (Prime Meridian) ThePrime Meridian 60°0′S20°0′E / 60.000°S 20.000°E /-60.000; 20.000 (the boundary of the Atlantic and Indian Oceans) the boundary of theAtlantic andIndian Oceans 60°0′S147°0′E / 60.000°S 147.000°E /-60.000; 147.000 (the boundary of the Indian and Pacific Oceans) the boundary of theIndian andPacific Oceans Additionally passes through the Pacific Ocean at theDrake Passage betweenSouth America and theAntarctic Peninsula 60°0′S67°16′W / 60.000°S 67.267°W /-60.000; -67.267 (the boundary of the Pacific and Atlantic Oceans) the boundary of thePacific andAtlantic Oceans Running close to the southern border of theScotia Sea and theSouth Orkney Islands, South Georgia and the South Sandwich Islands (claimed by Argentina)
61st parallel south
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The61st parallel south is acircle of latitude that is 61degreessouth of theEarth'sequatorial plane. No land lies on the parallel—it crosses nothing but theSouthern Ocean.
At this latitude thesun is visible for 19 hours, 16 minutes during theDecember solstice and 5 hours, 32 minutes during theJune solstice.[8] On the December solstice, the sun's altitude is 52.44 degrees and on the June solstice, it is 5.56 degrees.
The lowest latitude wherecivil twilight can last all night lies approximately on this parallel.
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 61° south passes through:
Coordinates Ocean Notes 61°0′S0°0′E / 61.000°S 0.000°E /-61.000; 0.000 (Prime Meridian) Southern Ocean South of theAtlantic Ocean 61°0′S20°0′E / 61.000°S 20.000°E /-61.000; 20.000 (Southern Ocean / South of the Indian Ocean) South of theIndian Ocean 61°0′S147°0′E / 61.000°S 147.000°E /-61.000; 147.000 (Southern Ocean / South of the Pacific Ocean) South of thePacific Ocean
Passing through theDrake Passage betweenSouth America and theAntarctic Peninsula61°0′S67°16′W / 61.000°S 67.267°W /-61.000; -67.267 (Southern Ocean / South of the Atlantic Ocean) South of theAtlantic Ocean
Passing just north ofElephant Island, andClarence Island (claimed by Argentina, Chile and United Kingdom)
Passing just south of theSouth Orkney Islands, South Georgia and the South Sandwich Islands (claimed by Argentina)
62nd parallel south
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The62nd parallel south is acircle of latitude that is 62degreessouth of theEarth'sequatorial plane. It crosses theSouthern Ocean andAntarctica.
At this latitude thesun is visible for 19 hours, 45 minutes during theDecember solstice and 5 hours, 9 minutes during theJune solstice.[9]
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 62° south passes through:
63rd parallel south
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The63rd parallel south is acircle of latitude that is 63degreessouth of theEarth'sequatorial plane. It crosses theSouthern Ocean andAntarctica.
At this latitude thesun is visible for 20 hours, 19 minutes during theDecember solstice and 4 hours, 42 minutes during theJune solstice. If the latitude in the southern hemisphere is 63º26' or smaller, it is possible to view bothastronomical dawn and dusk every day of the month of March.[10]
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 63° south passes through:
64th parallel south
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The64th parallel south is acircle of latitude that is 64degreessouth of theEarth'sequatorial plane. It crosses theSouthern Ocean and theAntarctic mainland, the latter as the most northern latitude.
At this latitude thesun is visible for 21 hours, 1 minute during theDecember solstice and 4 hours, 12 minutes during theJune solstice.[11]
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 64° south passes through:
65th parallel south
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The65th parallel south is acircle of latitude that is 65degreessouth of theEarth'sequatorial plane. It crosses theSouthern Ocean andAntarctica.
At this latitude thesun is visible for 22 hours, 2 minutes during theDecember solstice and 3 hours, 35 minutes during theJune solstice.[12]
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 65° south passes through:
66th parallel south
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The66th parallel south is acircle of latitude that is 66degreessouth of theEarth'sequatorial plane, about 61 km north of theAntarctic Circle. It crosses theSouthern Ocean andAntarctica.
This latitude also roughly corresponds to the minimum latitude in whichmidnight sun can last all night near thesummer solstice.
At this latitude thesun rises on December 13 and does not set again until December 30.[13]
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 66° south passes through:
67th parallel south
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The67th parallel south is acircle of latitude that is 67degreessouth of theEarth'sequatorial plane, about 50 km south of theAntarctic Circle. It crosses theSouthern Ocean andAntarctica.
At this latitude thesun is visible for 24 hours, 0 minutes during theDecember solstice (Summer solstice) and 1 hour, 29 minutes during theJune solstice (Winter solstice). If the latitude in the southern hemisphere is 67°45′ or smaller, every day of the month of September can view bothastronomical dawn and astronomical dusk.
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 67° south passes through:
68th parallel south
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The68th parallel south is acircle of latitude that is 68degreessouth of theEarth'sequatorial plane, in theAntarctic. It crosses theSouthern Ocean andAntarctica. At this latitude, the sun is visible for 24 hours, 0 minutes during the December Solstice, and civil twilight during the June Solstice.
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 68° south passes through:
69th parallel south
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The69th parallel south is acircle of latitude that is 69degreessouth of theEarth'sequatorial plane, in theAntarctic. It crosses theSouthern Ocean andAntarctica.
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 69° south passes through:
70th parallel south
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The70th parallel south is acircle of latitude that is 70degreessouth of theEarth'sequatorial plane in theAntarctic. The parallel passes through theSouthern Ocean andAntarctica.
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 70° south passes through:
71st parallel south
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The71st parallel south is acircle of latitude that is 71degreessouth of theEarth'sequatorial plane in theAntarctic. The parallel passes through theSouthern Ocean andAntarctica.
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 71° south passes through:
72nd parallel south
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The72nd parallel south is acircle of latitude that is 72degreessouth of theEarth'sequatorial plane in theAntarctic. The parallel passes through theSouthern Ocean andAntarctica.
This is the parallel wheretwilight/nighttime boundary on theequinoxes.
This is also the lowest parallel that golden hour occurs even atmidnight sun, because the Sun is less than 6°00'00" above the horizon. Midnight sun without golden hour occurs at latitudes greater than 72°33'38.58804", i.e., about 666.8 km (414.3 mi) south of the Antarctic Circle in the case of theDecember Solstice.
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editStarting at thePrime Meridian and heading eastwards, the parallel 72° south passes through:
73rd parallel south
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The73rd parallel south is acircle of latitude that is 73degreessouth of theEarth'sequatorial plane in theAntarctic. The parallel passes through theSouthern Ocean andAntarctica.
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editStarting at thePrime Meridian and heading eastwards, the parallel 73° south passes through:
74th parallel south
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The74th parallel south is acircle of latitude that is 74degreessouth of theEarth'sequatorial plane in theAntarctic. The parallel passes through theSouthern Ocean andAntarctica.
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editStarting at thePrime Meridian and heading eastwards, the parallel 74° south passes through:
75th parallel south
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The75th parallel south is acircle of latitude that is 75degreessouth of theEarth'sequatorial plane in theAntarctic. It passes through theSouthern Ocean andAntarctica.
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 75° south passes through:
76th parallel south
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The76th parallel south is acircle of latitude that is 76degreessouth of theEarth'sequatorial plane in theAntarctic. The parallel passes through theSouthern Ocean andAntarctica.
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editStarting at thePrime Meridian and heading eastwards, the parallel 76° south passes through:
77th parallel south
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The77th parallel south is acircle of latitude that is 77degreessouth of theEarth'sequatorial plane in theAntarctic. The parallel passes through theSouthern Ocean andAntarctica.
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editStarting at thePrime Meridian and heading eastwards, the parallel 77° south passes through:
78th parallel south
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The78th parallel south is acircle of latitude that is 78degreessouth of theEarth'sequatorial plane in theAntarctic. The parallel passes through theSouthern Ocean andAntarctica.
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editStarting at thePrime Meridian and heading eastwards, the parallel 78° south passes through:
79th parallel south
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The79th parallel south is acircle of latitude that is 79degreessouth of theEarth'sequatorial plane in theAntarctic.
The parallel passes only throughAntarctica and Antarcticice shelves.
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 79° south passes through:
80th parallel south
editThe80th parallel south is acircle of latitude that is 80degreessouth of theEarth'sequatorial plane, and 10 degrees (690 miles/1100 kilometers) north of theUnited States Amundsen-Scott South Pole Station. Regions south of this latitude are excluded fromUTM zones.
This line of latitude passes only throughAntarctica and Antarcticice shelves.
Around the world
editStarting at thePrime Meridian and heading eastwards, the parallel 80° south passes through:
See also
editNotes
edit- ^The parallel appears to cut through the boundary of the island as shown on Google Earth.
References
edit- ^"Daylight or Darkness Duration Table for One Year". Archived fromthe original on 2016-10-12. Retrieved2016-08-30.
- ^"Daylight or Darkness Duration Table for One Year". Archived fromthe original on 2016-10-12. Retrieved2016-08-30.
- ^"Limits of Oceans and Seas, 3rd edition"(PDF). International Hydrographic Organization. 1953. Archived fromthe original(PDF) on 8 October 2011. Retrieved29 December 2020.
- ^"Daylight or Darkness Duration Table for One Year". Archived fromthe original on 2016-11-05. Retrieved2016-08-30.
- ^"Duration of Daylight for 2016: Zone: 2h West of Greenwich". Archived fromthe original on January 30, 2018.
- ^Maxar Technologies (2021)."Southern Thule" (Map).Google Earth. Retrieved5 January 2023.
- ^Sinert, Richard."The Furious 50s and Screaming 60s". mydaywithbarkly. Retrieved2009-07-11.
- ^"Duration of Daylight for 2016: Zone: 2h West of Greenwich". Archived fromthe original on October 12, 2016.
- ^"Duration of Daylight for 2016: Zone: 2h West of Greenwich". Archived fromthe original on May 10, 2017.
- ^"Duration of Daylight for 2016: Zone: 2h West of Greenwich". Archived fromthe original on May 10, 2017.
- ^"Duration of Daylight for 2016: Zone: 2h West of Greenwich". Archived fromthe original on May 10, 2017.
- ^"Daylight or Darkness Duration Table for One Year".aa.usno.navy.mil. Archived fromthe original on 2016-10-12. Retrieved2016-08-30.
- ^"Duration of Daylight for 2016: Zone: 2h West of Greenwich". Archived fromthe original on May 10, 2017.