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Dentro de un mismo huso horario, la máxima diferencia de tiempo que puede haber entre la hora legal u hora de huso y la hora civil del lugar es de:Within one time zone, the greatest possible difference between zone time and local civil time is:

Show the answer

Correct answer: a) 30 minutes.

Why it is correct

A zone is 15º wide, which is one hour. From its central meridian to the edge is 7.5º, which is 30 minutes.

Why the others are not

  • b) That is the whole zone width.
  • c) That is half the maximum.
  • d) Those are the degrees, not the minutes.

How to work it out in the exam

  1. Half a zone: 7.5º, 30 minutes.

Where this question comes from

Try it: Sight reduction

Pending instructor review. Machine translation, not reviewed.