Question

the local time at Greenrich is considered to be the international standard time​

Answer 1

1. For an international coordination between countries, the local time at Greenwich (Greenwich Mean Time) in England is considered to be international standard time.

2. The difference in standard times of various countries is calculated with reference to GMT.

Answer 2

1. The International standard time has been decided according to 0° longitude.

2. 0° longitude passes through Greenwich, England.

3. For an international co-ordination, it is essential to bring compatibility between the standard time of various countries in the world. For this purpose, the local time at Greenwich is considered to be the International standard time.