Question

if at GMT it is 3pm in the evening calculate the time at 80° east longitude and 65° west longitude.​

Answer 1

Explanation:

If 4 mins = 1 degree.

Then longitude * 4 = to the differenc between that place and GMT.

69*4= 276.

276 / 60 = 4 hrs 36 mins.

if it is 12:00 at Greenwich than it would be 12:00 + 4 hrs 36 mins = 4:36 pm at 69 degrees longitude.