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Cuando el Sol pasa dos veces consecutivas por el meridiano de Greenwich, ha transcurrido un tiempo civil llamado:When the Sun passes twice in succession over the Greenwich meridian, the civil time elapsed is called:

Show the answer

Correct answer: d) Universal time.

Why it is correct

The mean solar day at Greenwich is universal time.

Why the others are not

  • a) By zones.
  • b) No such time.
  • c) By stars.

How to work it out in the exam

  1. Greenwich day: UT.

Where this question comes from

Try it: Navigation instruments

Pending instructor review. Machine translation, not reviewed.