Question

What is the difference in time between the Eastern and the Western Hemispheres?
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Answer 1

Answer:

Part of the Earth on the eastern side of the Prime Meridian is called Eastern hemisphere and that on the western side of it is called Western hemisphere. ... Hence, there is a difference of 24 hours in the time in east and west of the 180° longitude.

Answer 2

Since the Sun rises in the east and the Earth moves from west to east, time on the eastern hemisphere is ahead of the Greenwich and that on the western hemisphere is behind it. Hence, there is a difference of 24 hours in the time in east and west of the 180° longitude.