What is the definition of UTC?

The global standard for referencing time. UTC (previously known as Greenwich Meridian Time / GMT) consists of two main components – the “speed of time” as provided by multiple atomic reference clocks around the world, combined with the daily rotation time of the Earth.

What other terms are related to UTC?

Read more about UTC or related topic


Advanced Navigation’s glossary covers the most common terms and definitions used in inertial navigation systems, acoustic positioning and robotics.

All terms

Search by alphabetic order