63rd parallel north

The 63rd parallel north is a circle of latitude that is 63 degrees north of the Earth's equatorial plane. It crosses the Atlantic Ocean, Europe, Asia and North America.

At this latitude the sun is visible for 20 hours, 19 minutes during the summer solstice and 4 hours, 43 minutes during the winter solstice. If the latitude in the northern hemisphere is 63°26′ or smaller, everyday of the month of September can view both astronomical dawn and astronomical dusk.