This article contains a list of notable circles of latitude on Earth.
Day length for any latitude, and sunrise and sunset times on any longitude, can be calculated for any date using, for example, the sunrise equation. Online calculators are also available, such as from NOAA.[1]
with 0° at the Equator. Lines of constant latitude, or parallels, run east–west as circles parallel to the equator. Latitude and longitude are used together...
This is a listof official national capitals by latitude, including territories and dependencies, non-sovereign states including associated states and...
lines to circles Versor Specific circles Apollonian circlesCirclesof Apollonius Archimedean circle Archimedes' circles – the twin circles doubtfully...
equivalent is the Tropic of Cancer. The Tropic of Capricorn is one of the five major circlesoflatitude marked on maps of Earth. Its latitude is currently 23°26′10...
degrees) of arc. The equator is one of the five notable circlesoflatitude on Earth; the other four are the two polar circles (the Arctic Circle and the...
through (or close to) the center of the Earth. Lines joining points of the same latitude trace circles on the surface of Earth called parallels, as they...
Geomagnetic latitude, or magnetic latitude (MLAT), is a parameter analogous to geographic latitude, except that, instead of being defined relative to...
the South Pole and largely south of the Antarctic Circle (one of the five major circlesoflatitude that mark maps of the world), Antarctica is surrounded...
3-25.26. The civilian version of MGRS, USNG, also uses truncation. The boundaries of the latitude bands are parallel circles (dashed black lines in figure...
south is a circleoflatitude that is 80 degrees south of the Earth's equatorial plane, and 10 degrees (690 miles/1100 kilometers) north of the United...
circles around the poles. The Sun moved at an oblique angle to the circles, which obliquity brought it now to the north, now to the south. The circle...
extends from the Tropic of Cancer (approximately 23.5° north latitude) to the Arctic Circle (approximately 66.5° north latitude). The south temperate zone...
circlesoflatitude and meridians of longitude are straight and perpendicular to each other on the map, forming a grid of rectangles. While circles of...
parametric or reduced latitude. cos φ decreases from 1 at the equator to 0 at the poles, which measures how circlesoflatitude shrink from the equator...
circular cone is a pair of antipodal circles. In the geographic coordinate system on a globe, the parallels oflatitude are small circles, with the Equator...
the projection on the celestial sphere of Earth's main circlesoflatitude: In orange, the celestial Tropic of Cancer. In purple, the celestial equator...
a circumpolar circle whose size is determined by the observer's latitude. Specifically, the angular measure of the radius of this circle equals the observer's...
and South poles. The latitudeof the North Pole is 90° N, and the latitudeof the South Pole is 90° S. Mariners calculated latitude in the Northern Hemisphere...
is a perfect circle. The horizon line on other projections is a kind of "collapsed" oval. The horizon is designed for a particular latitude and thus determines...
longitude are great circlesof the Earth, while the equator is the only line oflatitude that is also a great circle (other lines oflatitude are centered north...
(secondary coordinates) The 83rd parallel north is a circleoflatitude that is 83 degrees north of the Earth's equatorial plane, in the Arctic. It passes...
(secondary coordinates) The 70th parallel south is a circleoflatitude that is 70 degrees south of the Earth's equatorial plane in the Antarctic. The parallel...
renders a latitude and longitude fix at the time and place of the observation by simple mathematical reduction. The Moon, a planet, Polaris, or one of the 57...
defined as the meridian arc length corresponding to one minute (1/60 of a degree) oflatitude at the equator, so that Earth's polar circumference is very near...