5 Questions
Which term refers to the local time at 0 degrees longitude, the prime meridian?
Greenwich Mean Time (GMT)
Which time system is used by many military operations, international radio broadcasts, and air traffic control systems worldwide?
Coordinated Universal Time (UTC)
Which time system is set in zero- to twenty-four-hour time periods, as opposed to two twelve-hour time periods?
Coordinated Universal Time (UTC)
What do the designations 'a.m.' and 'p.m.' refer to?
Before and after noon
Why do pilots use the twenty-four-hour time system for coordinating flights?
To avoid time zone differences
Test your knowledge on Universal Time (UT), Coordinated Universal Time (UTC), Greenwich Mean Time (GMT), and Zulu Time (Z) with this quiz! Explore the concepts and differences between these time systems used globally in military operations, international radio broadcasts, and air traffic control systems. Put your understanding of timekeeping to the test and see how well you know these important time standards.
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