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Sun City is an unincorporated community and census-designated place in Maricopa County, Arizona, United States, that is located within the Phoenix metropolitan area. The population was 39,931 as of the 2020 census. [3] Its adjoining sister city is Sun City West. Both Sun Cities are retirement communities popular with snowbirds.
Then mean longitude is also [1] L = ϖ + M. Another form often seen is the mean longitude at epoch, ε. This is simply the mean longitude at a reference time t 0, known as the epoch. Mean longitude can then be expressed, [2] L = ε + n(t − t 0), or L = ε + nt, since t = 0 at the epoch t 0. where n is the mean angular motion and t is any ...
Scientifically precise local time varies with longitude: a difference of 15° longitude corresponds to a one-hour difference in local time, due to the differing position in relation to the Sun. Comparing local time to an absolute measure of time allows longitude to be determined. Depending on the era, the absolute time might be obtained from a ...
Sun City West is located 23 miles (37 km) northwest of downtown Phoenix.It is bordered to the south, west, and north by the city of Surprise. U.S. Route 60 runs along the southwest border of the community, and the Arizona State Route 303 freeway bounds the community to the north and northwest.
Solar longitude, commonly abbreviated as Ls, is the ecliptic longitude of the Sun, i.e. the position of the Sun on the celestial sphere along the ecliptic.It is also an effective measure of the position of the Earth (or any other Sun-orbiting body) in its orbit around the Sun, [1] usually taken as zero at the moment of the vernal equinox. [2]
Sun City is a former census-designated place (CDP) in Riverside County, California, United States, and now a neighborhood of the city of Menifee, California. Along with the neighboring communities of Quail Valley and Menifee , it was incorporated as part of the City of Menifee on October 1, 2008.
Longitude calculations can be simplified using a clock is set to the local time of a starting point whose longitude is known, transporting it to a new location, and using it for astronomical observations. The longitude of the new location can be determined by comparing the difference of local mean time and the time of the transported clock.
The capital city of Serbia – Belgrade is just south of the parallel. In Russia it runs from the west coast of the Caspian Sea to the east coast of the Black Sea, through the Republic of Kalmykia, Stavropol Krai and its capital Stavropol, and Krasnodar Krai and its capital Krasnodar. In Ukraine it crosses the Crimea and its capital Simferopol.