Greenwich Mean Time (GMT) – Glossary Definition

Summary:

Want the definition of Greenwich Mean Time? Learn the meaning of GMT, see some examples, and get a better understanding of this travel glossary term!

Wondering about the definition of Greenwich Mean Time? Keep reading to learn the meaning of GMT, see some examples, and get a better understanding of this travel glossary term!

definition of Greenwich Mean Time GMT alarm clock
Taken by Insung Yoon via unsplash.com. [Public Domain].

What is Greenwich Mean Time?

Greenwich Mean Time (GMT), is the mean solar time at the Royal Observatory in Greenwich, London.

Greenwich Mean Time (GMT) is also sometimes known as Zulu Time or Z Time.

More on GMT

It differs from Coordinated Universal Time (UTC), particularly for navigation purposes. GMT is often considered to be a time zone, while UTC is a time standard.

However, GMT is really just the spot against which all other time zones around the world are measured, and it is a bit outdated in comparison with UTC, as its method for calculating a second is less accurate than how UTC measures 1 second.

Related Reads:

Click below to return to the travel glossary for more travel words and phrases and their definitions.

Dauntless Jaunter