Write a short note on IST.
Answers
Answer:
Indian Standard Time (IST) is the time zone for India and Sri Lanka. It is 5 hours and 30 minutes forward to Coordinated Universal Time (UTC+5:30). It does not use Daylight Saving Time (DST).
Explanation:
The imaginary line or the Geographical Coordinate that surpasses horizontally at the center of India is 82° 30’ east. This is the imaginary line from which Indian derives time according to the Prime Meridian.
The earth has been divided into twenty Four time zones with 15 degree of longitude and sustain one hour of each.
So every country must need to select a central meridian to avoid confusions in time calculation. Hence 82° 30’ east has been selected as the central meridian for Indian Standard Time.
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