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The mean solar time of this meridian is the base for the Eastern Time Zone (UTC-5 during standard time). Stations belonging to the US National Weather Service begin submitting weather reports when the mean solar time of this meridian is 8:00 am. Report collection ends 30–40 minutes later and the data is used to create the day's weather ...
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).
A geographic coordinate system (GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude. [1] It is the simplest, oldest and most widely used type of the various spatial reference systems that are in use, and forms the basis for most others.
ISO 6709, Standard representation of geographic point location by coordinates, is the international standard for representation of latitude, longitude and altitude for geographic point locations. The first edition (ISO 6709:1983) was developed by ISO/IEC JTC 1/SC 32.
The international standard convention —that east is positive—is consistent with a right-handed Cartesian coordinate system, with the North Pole up. A specific longitude may then be combined with a specific latitude (positive in the northern hemisphere) to give a precise position on the
Informally, specifying a geographic location usually means giving the location's latitude and longitude. The numerical values for latitude and longitude can occur in a number of different units or formats: [2] sexagesimal degree: degrees, minutes, and seconds : 40° 26′ 46″ N 79° 58′ 56″ W
Name used in the default map caption; image = Eastern Asia.png The default map image, without "Image:" or "File:" top = 53.8 Latitude at top edge of map, in decimal degrees; bottom = 17.9 Latitude at bottom edge of map, in decimal degrees; left = 106 Longitude at left edge of map, in decimal degrees; right = 147.2 Longitude at right edge of map ...
The United States and Kiribati have most of their territory east of the 180th meridian, in the Western Hemisphere, so they are considered to belong to the westernmost countries with their territory stretching as far to the west as beyond the 180th meridian into the Eastern Hemisphere. Conversely, Russia, New Zealand, and Fiji have most of their ...