Word origin · etymology
International abbreviation.
UTC is the agreed abbreviation of Coordinated Universal Time. It does not follow the order of the English words.
How we know · epistemology
Civil time standard
UTC is an agreed time standard realized through timekeeping institutions. A UTC timestamp identifies an instant, but converting an old local birth record still requires the relevant historical clock rules.
Connected concepts
Mentioned in 12 other entries
These links connect subjects and terminology. They do not establish a shared historical origin.
Sources & provenance
Use the citations beside each section to distinguish a calculation convention, a historical teaching and an editorial example.