Question 1732Navigation General

The correct answer is B) 112°30'W. The dividing meridian between time zone descriptions +7 and +8 is 112°30'W, as per the Standard Time Zones of the United States, Canada, and Mexico defined by the U.S. Department of Transportation. The other options are incorrect because: A) 105°00'W is the dividing meridian between time zones +6 and +7. C) 117°00'W is the dividing meridian between time zones +8 and +9. D) 120°30'W is the dividing meridian between time zones +8 and +9, not between +7 and +8.