Question

What is the Indian Standard Time? What is its significance?​

Answer 1

Answer:

India has the IST as it's standard time because if it wouldn't have been there, the country would have difference of 2 hours (as India is a large country and has a large East-west extent --- there's a difference of 2 hours from Gujarat in the west to Assam in the east). Hence, IST is an important meridian of longitude.

Answer 2

The standard time for each country is usually taken as the time of the central meridian that passes through it. In India 82 ½ °E longitude determines the standard time. This is known as the Indian Standard Time. This longitude passes through Allahabad in Uttar Pradesh.

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