Who Uses UTC?

Countries that use UTC as their standard time: Iceland, Ghana, Liberia, Mali, Mauritania, Morocco, and Senegal. The United Kingdom and the Republic Of Ireland use UTC in the winter, but not summer because they use a daylight saving period (summer time).

What is UTC (Coordinated Universal Time) and where is it used? This is a 24-hour time scale used in many places around the world for civil time. Time zones around the world are used and compared to positive or negative offsets from UTC. UTC has been broadcasted since 1972. (UTC Explained)

The central location where UTC, also called GMT (Greenwich Mean Time), is near Greenwich, England. Greenwich is also the world’s starting point on a map (using longitude), what we call the prime meridian. This is  0 degrees longitude.

The military uses 25 world time zones and Zulu is expressed, which is exactly the same thing as UTC. And of course, Zulu time begins in Greenwich, England as well. Here are the Military and Civilian Time Designations.

Who uses UTC? Here’s a small list: Military, governments, GPS systems, radio stations (NIST), NOAA weather, amateur radio operators, air traffic control, the internet Network Time Protocol (NTP), hospitals, mariners, ISS (International Space Station), maps, and many civilians.