What is meant by Indian Standard Time? Why do we need a Standard Meridian for India?
Answers
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.
India is a large country, almost 30 degrees are passing from westernmost state to easternmost state Arunachal Pradesh.
To avoid confusion or chaos for having different timings in different states of India, one standard meridian is taken to have a uniform time for the entire country
Why do we need a Standard Meridian for India?
We need a standard meridian for India because there is a time lag of about 2 hours between Gujarat and Arunachal Pradesh. To avoid confusion of time in different states , India adopted a standard meridian which is 82 degrees 30 E and it passes through Mirzapur in Uttar Pradesh.
Answer:
Indian standard time is the uniform time calculated by the Standard Meridian of India. It is called as IST.
(i) India is a large country, almost 30 degrees are passing from westernmost state to easternmost state Arunachal Pradesh.
(ii) Due to that, here is a difference of two zones.
(iii) To avoid confusion or chaos for having different timings in different states of India, one standard meridian is taken to have a uniform time for the entire country.
(iv) Therefore, at 82°30'E has been taken as standard meridian of India which is almost passing from centre of India.