Where do the meridians meet?
Name the line drawn exactly half-way between the two poles-
What is other name for Greenwich Meridian?
What help us to calculate time at a place
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Answer: The Prime Meridian passes through the British Royal Observatory in Greenwich near London. Its value is 0° longitude and from it we count 180° eastward as well as 180° westward. The Prime Meridian divides the Earth into two equal halves: the Eastern Hemisphere and the Western Hemisphere.Time on 0° longitude is called G.M.T. this is standard time of earth . Earth rotates from west to east so that sun arises from east and sunlight takes 4 minutes to cross one degree longitude means 360×4=1440 minutes or 24 hour .
Explanation:
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