Question

the earth requires 24 hours then in 1 hour how many longitude will face the sun

Answer 1

360 longitudes face in in 24 hours because 1 hour is 15 longitudes face in sun

Answer 2

The earth revolves around it's axis when it is rotating around the sun.

The complete revolve of the earth of 360 degrees around it's axis takes approximately 24 hours or a day to complete.

So the earth is completing 360° latitudes in 24 hours.

So in one hour;

=(360÷24)°

=15°

So in one hour a total of approximately 15 longitudes will face the sun.