The 50th parallel south is a circle of latitude that is 50 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, the Indian Ocean, the Pacific Ocean and South America.
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At this latitude the sun is visible for 16 hours, 22 minutes during the December solstice and 8 hours, 4 minutes during the June solstice. On December 21, the sun is at 63.44 degrees in the sky and on June 21, the sun is at 16.56 degrees in the sky. During the summer solstice, nighttime does not get beyond astronomical 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 November.
The maximum altitude of the Sun is > 25.00º in April and > 18.00º in May.
Around the world edit
Starting at the Prime Meridian and heading eastwards, the parallel 50° south passes through:
Co-ordinates Country, territory or ocean Notes 50°0′S 0°0′E / 50.000°S 0.000°E Atlantic Ocean 50°0′S 20°0′E / 50.000°S 20.000°E Indian Ocean Passing just south of the Kerguelen Islands, 
French Southern and Antarctic Lands
50°0′S 147°0′E / 50.000°S 147.000°E Pacific Ocean Passing just south of the Antipodes Islands, 
New Zealand
50°0′S 74°53′W / 50.000°S 74.883°W 
Chile
Patagonic Archipelago and mainland, Magallanes Region 50°0′S 73°26′W / 50.000°S 73.433°W 
Argentina
Santa Cruz Province 50°0′S 67°54′W / 50.000°S 67.900°W Atlantic Ocean
