_________ is the Meridian on which the Indian Standard Time is based.1

1.	_________ is the Meridian on which the Indian Standard Time is based.1. 81 and 1/2 Degree east longitude2. 82 and 1/2 Degree east longitude 3. 84 and 1/2 Degree east longitude4. 83 and 1/2 Degree east longitude
Answer» Correct Answer - Option 2 : 82 and 1/2 Degree east longitude The correct answer is 82 and 1/2 Degree east longitude. 82 and 1/2 Degree east longitude is the Meridian on which the Indian Standard Time is based. The longitude of 82½° E (82° 30'E) is considered as the standard meridian. The local time stated or mentioned at this meridian is considered as the standard time for the whole country. This is called the Indian Standard Time (IST). Hence, option 2 is correct. The standard meridian of India passes through the following states : Uttar Pradesh Madhya Pradesh Chattisgarh Orissa Andhra Pradesh About Standard Meridian The Standard Meridian of India having the longitude 82°30’E, which passes through Mirzapur in Uttar Pradesh is considered as the standard time for the whole country Standard time is referred to as the synchronization of clocks within a certain geographical area to a single standard time, instead of using solar time or a locally chosen meridian (longitude) to establish a local mean time standard A standard meridian is established in every country so that it is the central longitude of the whole country and at the same time is throughout the country.

_________ is the Meridian on which the Indian Standard Time is based.1. 81 and 1/2 Degree east longitude2. 82 and 1/2 Degree east longitude 3. 84 and 1/2 Degree east longitude4. 83 and 1/2 Degree east longitude

Answer» Correct Answer - Option 2 : 82 and 1/2 Degree east longitude

The correct answer is 82 and 1/2 Degree east longitude.

82 and 1/2 Degree east longitude is the Meridian on which the Indian Standard Time is based.
- The longitude of 82½° E (82° 30'E) is considered as the standard meridian.
- The local time stated or mentioned at this meridian is considered as the standard time for the whole country.
- This is called the Indian Standard Time (IST).
Hence, option 2 is correct.

The standard meridian of India passes through the following states :
- Uttar Pradesh
- Madhya Pradesh
- Chattisgarh
- Orissa
- Andhra Pradesh
About Standard Meridian
- The Standard Meridian of India having the longitude 82°30’E, which passes through Mirzapur in Uttar Pradesh is considered as the standard time for the whole country
- Standard time is referred to as the synchronization of clocks within a certain geographical area to a single standard time, instead of using solar time or a locally chosen meridian (longitude) to establish a local mean time standard
- A standard meridian is established in every country so that it is the central longitude of the whole country and at the same time is throughout the country.