원자시계의 정밀한 시간과 지구의 자전 주기를 고려하여 결정한 전 세계 공통의 표준시.
The primary time standard by which the world regulates clocks and time, based on high-precision atomic clocks and adjusted for the Earth's rotation.
예문:
"The international scientific experiment was synchronized to begin at exactly 12:00 UTC."
"Cloud servers usually log events in UTC to maintain a consistent timeline across global data centers."
"The time in London during winter is the same as UTC."