Coordinated Universal Time (UTC), as kept by the "i" laboratory, where i is any laboratory cooperating in the determination of UTC. Note: In the United States, the official UTC is kept by the U.S. Naval Observatory and is referred to as UTC (USNO).
Meaning of UTC in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012