1.

At town S (60°S, 60°E) the time is 4pm and at that moment the time is 22 hours at T (60°S, X°longitude) . What is the longitude of town T?

Answer»

FROM WEST TO EAST DIFFERENCE OF TIME RESPECT TO LONGITUDE IS - +4min IN 1° OR 1 HR. IN 15°
HERE DIFFERENCE IN TIME IS 6 HRS. SO THE DIFFERENCE IN DEGREES FROM TOWN S TO TOWN T IS 6*15° = 90° E
THUS FROM PRIME MERIDIAN IT IS 60° +90° = 150°
T (60°S, 150°E)


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