Q. 34.1( 162 Votes )

The sun rises two hours earlier in eastern parts of Arunachal Pradesh as compared to Gujarat in the west but the watches show the same time. How does this happen?

Answer :

The earth moves around its axis and completes one rotation (360’) in about 24 hours. Also, the longitudinal gap between Arunachal Pradesh and Gujarat is approximately 30’. Because of this gap there is a difference of two hours between these two states. Arunachal Pradesh is located in the east and hence, sun rises earlier here as compared to Gujarat. However, Indian Standard time is taken Standard Meridian of 82.30'  and this is why the watches in both the states show the same time.

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