what is the longitude of town A whose time is 12noon when greenwich time is 6:00pm

Answer 1

6/24 = 1/4

1/4 of the way around the earth, westward of Greenwich England

360/4 = 90 degrees West

Well, I am at 70 on Cape Ann, so about 1200 miles west of me. Mark Twain country.

Answer 2

But why we will take1/4 why not 1/6