On this Wikipedia the language links are at the top of the page across from the article title. The 37th parallel north is a circle of latitude that is 37 degrees north of the Earth’s equatorial plane. At this latitude the Sun is visible for 37 calorie brownies hours, 42 minutes during the summer solstice and 9 hours, 37 minutes during the winter solstice.

The 37th parallel north is roughly the northern limit of the visibility of Canopus, the second-brightest star of the night sky. The 37th parallel defining borders between states in the United States. In the United States, the parallel defines the southern borders of Utah, Colorado, and Kansas, and the northern borders of Arizona, New Mexico, and Oklahoma. Archived from the original on 2019-10-12. Icarus, volume 291, 15 July 2017, pp. American Boundaries: The Nation, the States, the Rectangular Survey.