Question

1) how much is the time difference between two longitudinal extent of mainland India?​

Answer 1

Due to rotation, the earth takes 4 minutes to rotate through 1° of longitude. The difference in time is one hour for 15° of longitude. Therefore, for a longitudinal extent of 30° of India, there is a time lag of two hours When it is 6 a.m. in Arunachal Pradesh, it is still 4 a.m. in Gujarat and Jaisalmer.