Because it is situated in the centre of all longituds and latitudes in which our country is located .. the local time which lie different meridians are bound to differ . the sun rises two hours earlier in Arunachal Pradesh as compare to Gujarat.it's available on Google . you can see it .

Introduction

India is a vast country, spanning several degrees of longitude and latitude. Several meridians could have been chosen as the standard meridian. However, the 82°30' E meridian has been selected as the standard meridian of India. This article explains why this specific meridian was chosen and its significance.

Reasons for choosing 82°30' E as the standard meridian of India

The following are the primary reasons for choosing 82°30' E as the standard meridian of India:

Location: The 82°30' E meridian passes through the center of India, near the city of Allahabad. This location is close to the geographical center of India, making it an ideal choice for the standard meridian.

Historical significance: The 82°30' E meridian has been used as the reference meridian for India since the early 19th century. This meridian was established by the British colonial government in India as the zeroth meridian. It was initially used to survey and map the Indian subcontinent.

International significance: The 82°30' E meridian is also known as the "Great Arc" and is an important reference meridian globally. The Great Arc was a major surveying and mapping project conducted by the British in the early 19th century, which helped establish the 82°30' E meridian as a significant reference point.

Benefits of having a standard meridian

The following are the benefits of having a standard meridian:

Time zones: A standard meridian is essential for establishing time zones. India has only one time zone, which is based on the 82°30' E meridian. This makes it easier for people to coordinate activities across the country.

Navigation: A standard meridian is crucial for navigation and for establishing the exact location of a place. With the 82°30' E meridian as the reference point, it is easy to determine the longitude of any place in India.

Conclusion

In conclusion, the 82°30' E meridian was chosen as the standard meridian of India due to its location, historical significance, and international importance. Having a standard meridian has several benefits, such as establishing time zones and aiding navigation.