Multiple choice If it is 4pm in greenwich,what is the time in 30 degree west of greenwich? 3pm 6pm 2pm 7pm Reveal answer Fill a bubble to check yourself C Correct answer Explanation Each degree of longitude represents 4 minutes. 30 degrees west means the time is 30 * 4 = 120 minutes (2 hours) behind Greenwich. 4pm minus 2 hours is 2pm.