Question

Study the map given in figure and answer the following questions.

1. Calculate the difference between the two longitudinal extremes of mainland India. Is it more than Brazil?
2. Which longitude in India is called the Indian Standard Time (IST)?
3. What is the difference between this time and the GMT?
4. How many local times are there in India?

Answer 1

1. The difference between the two longitudinal extremes of east and west mainland India is about 29° whereas the difference between the two longitudinal extremes of east and west mainland Brazil is about 39°. No, it is not more than Brazil. 
2. The 82° 30′ E longitude is called Indian Standard Time (IST). 

3. The IST time is 5 hours and 30 minutes ahead of the GMT.

4. India has only one time zone.