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  2. Geodetic coordinates - Wikipedia

    en.wikipedia.org/wiki/Geodetic_coordinates

    Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).

  3. 37th parallel north - Wikipedia

    en.wikipedia.org/wiki/37th_parallel_north

    The 37th parallel north is a circle of latitude that is 37 degrees north of the Earth's equatorial plane. It crosses Europe, the Mediterranean Sea, Africa, Asia, the Pacific Ocean, North America, and the Atlantic Ocean. At this latitude the Sun is visible for 14 hours, 42 minutes during the summer solstice and 9 hours, 37 minutes during the ...

  4. 37th meridian east - Wikipedia

    en.wikipedia.org/wiki/37th_meridian_east

    The meridian 37° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Europe, Asia, Africa, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole. The 37th meridian east forms a great circle with the 143rd meridian west.

  5. Meridian (geography) - Wikipedia

    en.wikipedia.org/wiki/Meridian_(geography)

    In geography and geodesy, a meridian is the locus connecting points of equal longitude, which is the angle (in degrees or other units) east or west of a given prime meridian (currently, the IERS Reference Meridian). [1] In other words, it is a coordinate line for longitudes, a line of longitude.

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  7. History of longitude - Wikipedia

    en.wikipedia.org/wiki/History_of_longitude

    The clock would be set to the local time of a starting point whose longitude was known, and the longitude of any other place could be determined by comparing its local time with the clock time: [54] there is a four-minute difference between locally observed noon and clock noon for each degree of longitude east or west of the initial meridian.

  8. Ecliptic coordinate system - Wikipedia

    en.wikipedia.org/wiki/Ecliptic_coordinate_system

    Longitudes were specified in signs, degrees, minutes, and seconds. For example, a longitude of ♌ 19° 55′ 58″ is 19.933° east of the start of the sign Leo. Since Leo begins 120° from the March equinox, the longitude in modern form is 139° 55′ 58″. [9

  9. 37th meridian west - Wikipedia

    en.wikipedia.org/wiki/37th_meridian_west

    The meridian 37° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Greenland, the Atlantic Ocean, South America, the Southern Ocean, and Antarctica to the South Pole. The 37th meridian west forms a great circle with the 143rd meridian east.