The 61st parallel north is a circle of latitude that is 61 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 19 hours, 16 minutes during the summer solstice and 5 hours, 32 minutes during the winter solstice.
61st parallel north Wikipedia
Starting at the Prime Meridian and heading eastwards, the parallel 61° north passes through: