By international agreement, Greenwich Mean Time is

the time at the Prime Meridian, which is the master reference time for all points on Earth More test answers on https://studyhippo.com/geography-test-1/

“Greenwich Mean Time” is also known as _____.

Universal Time Coordinated More test answers on https://studyhippo.com/ch-1-6-2/

Greenwich Mean Time is measured from: A. 0° latitude B. 0° longitude C. 90° latitude D. 180° longitude E. 90° longitude

B. 0° longitude More test answers on https://studyhippo.com/ap-human-geography-chapter-1-multiple-choice-test-38392/

Greenwich Mean Time is measured from

0 degrees longitude More test answers on https://studyhippo.com/an-200-ch-1-basic-concepts/

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What is Greenwich Mean Time?

Greenwich Mean Time (GMT) is a time standard that is used to calculate the local time in various regions throughout the world. It is based on the solar time at the Royal Observatory in Greenwich, England. GMT was first introduced by British railways in 1847 as a way of synchronizing railway clocks across their entire network and eventually became the official standard for determining time around the world.GMT is used as a reference point for calculating other regional or country-specific times. For example, if you live in California, your local time would be 8 hours behind GMT since it’s located on Pacific Standard Time (PST). This means that when it’s 12:00 PM Eastern Standard Time (EST), which is 5 hours behind GMT, it would be 9:00 AM PST where you live. The same calculation applies to any other region or country that doesn’t observe GMT directly but still uses it as a reference point for determining its own local time.GMT can also be used to calculate Universal Coordinated Time (UTC), which is another global standard for keeping track of time. UTC and GMT are almost identical but differ slightly due to differences in how leap seconds are calculated over long periods of time. Though many countries now use their own local standards of keeping track of time and do not rely on GMT exclusively, it remains an important tool for international travel and communication between different regions with varying standards of measuring day-to-day activities such as business meetings or school schedules. As advances continue to be made in technology and communication, the importance of maintaining accurate measurements of global times will remain just as critical today as ever before.