What is meant by Indian Standard Time Why do we need standard meridian in India?

What is meant by Indian Standard Times?

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”).

What is meant by Indian standard meridian for India?

Complete answer:

The uniform time calculated by the Standard Meridian of India is referred to as the Indian standard time (IST). In India, the longitude of 82°E (82° 30′ E) is considered as the standard meridian. The local time at this meridian is regarded as the standard time for the entire country.

What is standard meridian of India why do we need it and why it has been selected as standard meridian of India?

Why 82° 30′ E has been selected as the Standard Meridian of India? Answer: From Gujarat to Arunachal Pradesh there is a time lag of two hours. 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.

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What is meant by standard time Class 9?

Answer: Standard time is the synchronization of clocks within a geographical area to a single standard time, rather than using solar time or a locally chosen meridian (longitude) to establish a local mean time standard.

Why Indian Standard Time is important?

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.

Why do we need Indian Standard Time explain?

India has a vast longitudinal extent. Since many meridians pass through it, it is important to adopt the local time of one central meridian of a country as the standard time for the country. Thus, we need a standard meridian for the country. In India 82 ½ °E longitude determines the standard time.

What is meant by Indian Standard Time and why do we need it?

It is called as IST. (i) India is a large country, almost 30 degrees are passing from westernmost state to easternmost state Arunachal Pradesh. … (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.

Why do we need standard time for our country?

The time of a place depends on the longitude that passes through it. … Since many meridians pass through it, it is important to adopt the local time of one central meridian of a country as the standard time for the country. Thus, we need a standard meridian for the country.

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What is importance of standard meridian?

Standard meridian is useful for a country because it shows and fixes a particular time for the country. A country may have many longitudes in between and there is a time gap of 4 minutes between each longitude.

What is standard meridian and why is it important?

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 standard meridian of India write its importance?

Standard meridian is an imaginary line which passes through Mirzapur ,Uttar Pradesh . It lies almost at 82.30’E. It determines the time over the India. As there is a time lag of 2 hours between estern and western point of India. So for convenience along time standard meridian is chosen for the standard time.

How is standard time 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 …