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Why 82.30\'e has been selected the standard meridian of india

Answer» From Gujarat to Arunachal Pradesh, there is a time lag of about two hours, so if we travel from the east to west, we will have to advance our watches by 4 minutes each time we cross a longitude. To solve this probelem 82°30\' E has been selected as the standard meridian of India. Its time ( Indian standard time or IST) is followed everywhere in India.


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