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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10

Give the importance of IST. - Social Science

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Question

Give the importance of IST.

Answer in Brief

Solution

The longitudinal extent of India between the West and the East is about 30° from Gujarat to Arunachal Pradesh. This longitudinal difference makes a difference of nearly 2 hours in local time between Gujarat in the West and Arunachal Pradesh in the East. In order to avoid the time difference between the places, IST is calculated. The Indian Standard Time is calculated based on 82°30′ East longitude.

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Chapter 2.01: India - Location, Relief and Drainage - Exercises [Page 142]

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Samacheer Kalvi Social Science [English] Class 10 SSLC TN Board
Chapter 2.01 India - Location, Relief and Drainage
Exercises | Q V 2. | Page 142
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