Question

5. Why have the countries of the world selected their own Standard Meridians?

Answer 1

The countries select there own time meridian because they can follow their standard time by their meridian. For eg indias standard meridian goes from (mirzapur, allahabad, uttar pradesh) so it become easy for us to calculate time as its will be very difficult to calculate time according to Greenwich.

Answer 2

Answer:

every country had standard time to avoid confusion of time.

it is time of its central or standard meridian.

each meridian has its own local time which is the sun time or local time of particular place.

some contries whose size is very large they have their different time zone.