Question

Why was the Greenwich meridian chosen as the 0 degree prime meridian for time zones ?

• A. It was voted by a council of time travellers
• B. Most of the ships involved in sea-trade at the time had already been using Greenwich as the reference point.
• C. The place observed days of equal sunlight and nightfall throughout the year
• D. Americans had already started using the Greenwich Meridian as their reference meridian to fix their national time zone system.

Answer 1

Answer: (B), (D)

The correct options are
B Most of the ships involved in sea-trade at the time had already been using Greenwich as the reference point.
D Americans had already started using the Greenwich Meridian as their reference meridian to fix their national time zone system.

Because of these reasons and the fact that most of the world was already using that system, they just decided to make it official and recognised the Greenwich meridian as the prime meridian.