Basic Airline Terminology Practice Test

What does GMT stand for?

Global Meridian Time General Mean Time Greenwich Mean Time Green Mountain Time

Correct Answer:

Greenwich Mean Time

Explanation:

GMT stands for Greenwich Mean Time. It comes from the mean solar time at the Royal Observatory in Greenwich, London, which is tied to the prime meridian used as the global reference line for longitude. The other options aren’t recognized time standards, and Green Mountain Time isn’t a real standard either. In practice, GMT is often used interchangeably with UTC in casual contexts, though UTC is the precise, modern time standard.

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