General Navigation USCG Question #1759 (Set 55)

The dividing meridian between zone descriptions -10 and -11 is __________.

Official USCG Answer & Rule Citation

Correct Answer: Option D — 157°30'E

Time zones are established by standard meridians spaced 15 degrees apart, spanning 7.5 degrees on each side. Zone -10 covers 142.5 degrees East to 157.5 degrees East, making 157 degrees 30 minutes East the exact dividing meridian separating zone -10 from zone -11.

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