Question

Which line of longitude is used to fix the world standard time and state its value in degree?

Answer 1

line of longitude iused to fix the world standard time is 180 Degrees Longitude. The 180th degree meridian is also called the anti meridian. It is used to define the International Date Line. Because the Earth is spherical, traveling 180 degrees in either direction from the prime meridian will lead to 180 degrees longitude or the opposite meridian.