Question

How can we measure the time difference between countries? Explain with an example

Answer 1

Explanation:

We can measure from Greenwich Meridian. If it is 12 noon in India,we know that difference between two longitudes is 2 min ,Greenwich Meridian is 0 and IST is 87.5 longitude so the time difference will be 5hr 30 min or 330 min. Here we are multiplying 87.5×4.