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A contour plot of the hours of daylight as a function of latitude and day of the year, using the most accurate models described in this article. It can be seen that the area of constant day and constant night reach up to the polar circles (here labeled "Anta. c." and "Arct. c."), which is a consequence of the earth's inclination.
Day length as a function of latitude and the day of the year. Latitude 40° N (approximately New York City, Madrid and Beijing) is highlighted as an example. A plot of hours of daylight as a function of the date for changing latitudes.
Hours of daylight vs latitude vs day of year: Image title: A contour plot of the hours of daylight as a function of latitude and day of a typical non-leap year, ...
Hours of daylight vs latitude vs day of year: Image title: A contour plot of the hours of daylight as a function of latitude and day of a typical non-leap year, ...
Contour plot of the hours of daylight as a function of latitude and day of the year, showing approximately 12 hours of daylight at all latitudes during the equinoxes Earth at the September 2022 equinox
The number of daylight hours depends on the latitude and time of year. Each pole has continuous daylight near its summer solstice. Carpet plot of sunshine at latitude 70° north Carpet plot of sunshine at latitude 50° north Carpet plot of sunshine at the equator Twilight at Paranal Observatory in Chile [14]
Daylight saving time began in 2024 on Sunday, March 10, at 2 a.m. local time, when our clocks moved forward an hour, part of the twice-annual time change. Does every state observe daylight saving ...
Above 60° latitude, the Sun would be even closer to the horizon, only 6.56° away from it. Then civil twilight continues almost all night, only a little bit of nautical twilight around the local midnight. Above 66.56° latitude, there is no sunset at all, a phenomenon referred to as the midnight sun. Solstice day arcs as viewed from 70° latitude.