The arrow shows the Moon's direction as it would show on a standard map, where upwards means north, right means east, down is south, and left is west.Moon Direction shows the direction (north, east, south, or west) of the Moon in three different formats:.This updates in real-time, so it always shows the current situation. The area near the top of the page also includes information about the current position of the Moon from the perspective of the selected city. Business Date to Date (exclude holidays).The Americas, the western part of the British Isles (including Ireland and Wales), and the northwestern part of Africa are land masses in the Western Hemisphere. The Western Hemisphere is west of the prime meridian and east of the International Date Line. Most of Earth's landmasses, including all of Asia and Australia, and most of Africa, are part of the Eastern Hemisphere. ![]() The Eastern Hemisphere is east of the prime meridian and west of the International Date Line. This is similar to the way the Equator serves as the 0° latitude line and divides Earth into the northern and southern hemispheres. The prime meridian and the International Date Line create a circle that divides Earth into the Eastern and Western Hemispheres. As you pass the International Date Line, you either add a day (going west) or subtract a day (going east.) Hemispheres The meridian at 180° longitude is commonly known as the International Date Line. Earth's longitude measures 360°, so the halfway point from the prime meridian is the 180° longitude line. The prime meridian also helps establish the International Date Line. in Orlando, Florida, United States 4:00 p.m. in Houston, Texas, United States, it would be reported at 12 p.m. All countries and regions measure their time zones according to UTC. Just as the prime meridian is the standard for longitude, UTC is the standard for time. UTC never changes for daylight savings or anything else. The prime meridian also sets Coordinated Universal Time (UTC). The Greenwich Meridian became the international standard for the prime meridian. They chose the meridian passing through the Royal Observatory in Greenwich, England. President Chester Arthur in 1884, representatives from 25 countries agreed to pick a single, standard meridian. Finally, at an international convention called by U.S. Even different parts of the same country published materials based on local meridians. Cartographers in China published maps with 0° longitude running through Beijing. France published maps with 0° longitude running through Paris. Different countries published maps and charts with longitude based on the meridian passing through their capital city. ![]() Governments did not always agree that the Greenwich meridian was the prime meridian, making navigation over long distances very difficult. ![]() However, there is an international agreement that the meridian that runs through Greenwich, England, is considered the official prime meridian. Any line of longitude (a meridian) can serve as the 0° longitude line. The prime meridian is arbitrary, meaning it could be chosen to be anywhere. The prime meridian is the line of 0° longitude, the starting point for measuring distance both east and west around Earth.
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