Question

Why longitudinal lines choosen for time and date line in the world ?​

Answer 1

Earth is divided into imaginary lines called meridians that run from the north to the south pole. In total, there are 360 meridians of longitudes and 180 parallels of latitudes.

Known as Prime Meridian -- International Date Line -- the centre point of the meridian, lies at the Greenwich Observatory England, making it Greenwich Mean Time (GMT).

Answer 2

Earth is divided into imaginary lines called meridians that run from the north to the south pole. In total, there are 360 meridians of longitudes and 180 parallels of latitudes.

Known as Prime Meridian -- International Date Line -- the centre point of the meridian, lies at the Greenwich Observatory England, making it Greenwich Mean Time (GMT).