passwella.
Menu

WAEC Geography 2011 Question 13

Question 13

Latitude, Longitude and Time

If the time in town X on longitude 15°E is 1.00pm on Saturday, what will be the time in town Y on longitude 75°W?

  1. A.11.00 am on Saturday
  2. B.9.00 pm on Saturday
  3. C.6.00 pm on Saturday
  4. D.7.00 am on Saturday
Show the answer and explanation

Answer: D (7.00 am on Saturday)

Explanation

Difference = 15 + 75 = 90° = 6 hours; Y is west, so its time is behind: 1.00 pm − 6 h = 7.00 am Saturday.