Indian Standard time (IST) is the time zone observed throughout India, with a time offset of UTC+05:30. India does not observe daylight saving time or other seasonal adjustments. In military and aviation time IST is designated E* (“Echo-Star”). It is indicated as Asia/Kolkata in the IANA time zone database.
What do you mean by Indian Standard Time Class 6?
IST stands for Indian Standard Time. It is the time observed throughout India and Sri Lanka, with a time offset of UTC+05:30. [ Coordinated Universal Time (UTC), another name for GMT].
What is Indian Standard Time Class 9?
Indian standard time is the uniform time calculated by the Standard Meridian of India. It is called as IST. … (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.
What is meant by Indian Standard Time and what is its importance?
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.
What time is Indian Standard Time?
Indian Standard Time (IST) is the time observed throughout India, with a time offset of UTC+5:30. India does not observe daylight saving time (DST) or other seasonal adjustments, although DST was used briefly during the Sino–Indian War of 1962, and the Indo–Pakistani Wars of 1965 and of 1971.
Why the difference between IST and GMT is 5 hours and 30 minutes?
The longitude difference between Mirzapur and the United Kingdom’s Royal Observatory at Greenwich translates to an exact time difference of 5 hours 30 minutes. … So, The latitudinal distance between London and Mirzapur is the reason for difference in times.
Why is 82.30 has been selected?
2 Answers. The Earth has been divided into 24 time zones of one hour each. … This causes a time lag of 2 hrs from Gujarat to Arunachal Pradesh to avoid confusion and to have a standard time for reference, The 82.30’Eastern Longitude has been taken as the standard time for the whole country.
What is standard time how it is useful?
Standard time is useful as if in large countries we follow different time for different regions , it will become very hard for us to maintain jobs and services which are done at national level and keeping record wouldn’t be easy, So its more convenient to follow a standard time rather than having different time for …
What is the importance of the Indian Standard Time?
1. It helps in organising a uniform schedule for transport like railways and airways. 2. It cuts down on costs that would be otherwise incurred on adjusting to different time schedules and the subsequent loss of time.