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The 57th parallel north is a circle of latitude that is 57 degrees north of the Earth's equatorial plane. It crosses Europe, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.
At this latitude the sun is visible for 17 hours, 53 minutes during the summer solstice and 6 hours, 43 minutes during the winter solstice. On June 21, the sun is at 56.44 degrees in the sky and on December 21, the sun is at 9.56 degrees in the sky. During the summer solstice, nighttime does not get beyond nautical twilight, a condition which lasts throughout the month of June. It is possible to view both astronomical dawn and dusk every day of the month of April.[1]
The maximum altitude of the Sun is > 18.00º in October and > 11.00º in November.
The only capital city on the 57th parallel north is Riga.
