MNA Avionics - The Difference Between GMT and UTC Greenwich Mean Time (GMT) is often interchanged or confused with Coordinated Universal Time (UTC). But GMT is a time zone and UTC is
Time Zones and "Z" Time
GMT vs. UTC – SKY LIGHTS
Coordinated Universal Time: converting between UTC and AM/PM time
Time Terminologies: GMT and UTC | GEOSPATIAL CLUB
DT_TOUTC: Converting Local Time to Universal Coordinated Time