What do you mean by Indian Standard Time Why is it important?
IST is a meridian of longitude. It is at a distance of 82.5° from the Greenwich towards the EAST. It passes through ALLAHABAD which is the approximate centre of India. … Hence, IST is an important meridian of longitude.
What is meant by Indian Standard Time?
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 is meant by Indian Standard meridian What is its importance?
Standard Meridian is the longitude which is used to describe time of a country. It ideally should be the same for the whole country and all the places in a country should follow this same time. The standard meridian of India is 82.5 ° E and it passes through Mirzapur in Uttar Pradesh.
What is the Indian Standard Time Class 6?
In India, the longitude of 82.5 degrees East is treated as the standard meridian. So, for the whole country, the local time at this meridian is taken as the standard time and is known as the Indian Standard Time (IST).
What do you mean by Indian Standard Time Class 9?
Indian standard time is the uniform time calculated by the Standard Meridian of India. It is called as IST. … (iv) Therefore, at 82°30’E has been taken as standard meridian of India which is almost passing from centre of India.
Why is standard time considered necessary?
The local time of places that lie on the different meridians differ. It is, therefore, necessary to adopt the local time of some central meridian of a country as the standard time for the country for uniformity.
How do we decide Indian Standard Time?
Indian Standard Time
IST is based on longitude 82.5°, which passes through Mirzapur, near Allahabad in Uttar Pradesh. It is 5 hours 30 minutes ahead of Greenwich Mean Time (GMT), now called the Universal Coordinated Time (UTC).
What is called standard time?
Standard time is the synchronization of clocks within a geographical region to a single time standard, rather than a local mean time standard. … The standard time in each time zone has come to be defined as an offset from Universal Time.
What is the importance of standard meridian of India Class 9?
Answer. 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.
What is the Indian standard meridian?
– Hence, time along the Standard Meridian of India (82°30’E) passing through Mirzapur (in Uttar Pradesh) is taken as the standard time for the whole country.
What is standard time how is it useful class 6?
We need a standard meridian for India because of the vast longitudinal extent of the mainland. Thus, there is a time lag of two hours from Gujarat to Arunachal Pradesh. Hence, time along the Standard Meridian of India passing through Mirzapur is taken as the Standard time for the whole country.