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Which conclusion is correct about India's longitudinal extent and local time?

Answer and explanation

Correct answer: Local time in eastern India is ahead of western India

The governing concept is Earth’s rotation from west to east and its effect on local solar time. As Earth rotates, eastern places face the Sun earlier than western places. Consequently, the local solar time in eastern India is ahead of that in western India. Longitude provides the numerical measure of this difference: Earth rotates about 360 degrees in 24 hours, so one degree corresponds to roughly four minutes. For instance, a place 10 degrees farther east may have local solar time about 40 minutes ahead. Option A is correct. Option B reverses the direction of the relationship, while C and D incorrectly deny the established connection between longitude and time. Official clock time may be uniform, but local solar time varies by longitude.

Related tags

India LongitudeLocal TimeEarth RotationTime DifferenceLongitudeMeridiansAnd Local TimeLongitude Meridians And Local TimeGeographical Coordinates And TimeGeography

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