The Prime Meridian, located at 0° longitude in Greenwich, England, serves as the reference for time zones and divides Earth into the Eastern and Western Hemispheres.
Class 6 NCERT Social Science India and the World: Land and the People Chapter 1 Locating Places on the Earth
class 6 Social Science Textbook Chapter 1 question answer
The Prime Meridian is the imaginary line at 0° longitude, passing through Greenwich, England. It is the reference point for all longitudinal measurements and time zones around the world. The Earth is divided into the Eastern and Western Hemispheres based on this meridian. The Prime Meridian also helps standardize timekeeping globally by providing the basis for Greenwich Mean Time (GMT), which other time zones are calculated relative to. This division ensures global synchronization of clocks and time standards.
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