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. 82°30′ E has been selected as the Standard Meridian of India because it is situated in the centre of all longitudes and latitudes in which our country is located.
What is the standard meridian of India and why?
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 taken as the standard meridian of India?
India is bounded by the young fold mountains in the northwest, north and northeast. … 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.
Why Mirzapur is taken as standard meridian?
The standard meridian passing from Mirzapur has been taken as the IST because 82′3 E meridian divides the country into exactly two parts. The eastern most and westernmost most meridian of India would otherwise show a difference of 2 hours. Sun rises 2 hours early in Arunachal Pradesh than in Gujarat.
What is standard meridian India Standard meridian?
The standard meridian of India is 82°30’E. Complete Step by Step Answer: The Standard Meridian of India has a longitude of 82°30’E. This Standard meridian passes through Mirzapur in Uttar Pradesh and it is considered as the standard time for the whole country. … This is called the Indian Standard Time (IST).
Why is a standard meridian important for a country?
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. This is known as the Indian Standard Time.
What is the use of standard meridian time?
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.
Is prime meridian passing through India?
India, under the British Raj, did not adopt the international standard time zones until 1905 when the meridian passing through Allahabad at 82.50 degree east of Greenwich Meridian longitude was picked as the central meridian for India, corresponding to a single time zone for the country.
How standard meridian is calculated?
To find the time meridian of a country, take the westernmost longitude and the easternmost longitude of that country, take the mean, and find the nearest multiple of 7.5 degree. As India’s longitudinal extent is from 68° 7′ 53″ E to 97° 24′ 47″ E. Nearest multiple of 7.5° is 82.5°.
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.
Why Mirzapur is chosen?
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.