Question

1.5] Short type questions.
(a) What is IST And how is it determined ?​

Answer 1

Answer:

Indian Standard time (IST) is the time zone observed throughout India, with a time offset of UTC+05:30.Indian Standard Time is calculated on the basis of 82.5°E longitude in the city of Mirzapur, Uttar Pradesh, which is situated approximately on the corresponding longitude reference line.

Answer 2

In military and aviation time IST is designated E* ("Echo-Star"). Indian Standard Time is calculated on the basis of 82.5°E longitude in the city of Mirzapur, Uttar Pradesh, which is situated approximately on the corresponding longitude reference