Question

8. Although the time of sunrise varies between Arunachal Pradesh and New Delhi, the watches
show the same time. Explain why.
[ISC 2013)
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Answer 1

Answer:

because India has set the same time for the whole country so the time is same as india has 30 diff time lags

Answer 2

Explanation:

watches show the same time because the Earth takes 4 minutes to rotate through 1 Degree of longitude therefore the time taken by the earth to rotate through 15 degrees longitude is one hour since,India has a longitudinal extent of 30° so there is a time difference between Arunachal Pradesh and Delhi