Question

Why there is time lag of 2 hours between arunachal pradesh and gujarat

Answer 1

The time lag of 2 hours between Gujarat and Arunachal Pradesh is because of their Longitudinal Difference, But Both the watches show same time because 82°30' E is taken as Standard Meridian or IST.

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Answer 2

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The reason for time difference between Gujarat and Arunachal Pradesh is of 2 hours as they both lie on different longitudes. ... The time along the Central Meridian of India i.e. 82 32' E passing through Mirzapur (in Uttar Pradesh) is taken as the standard time for the whole country.