Seonglae ChoUTC (Coordinated Universal Time, Temps universel coordonné)
UTC is based on solar time but uses atomic clocks to add leap seconds. UTC and GMT are used interchangeably in everyday life since they only differ at the decimal point level of seconds.
UTC-12
means latest anywhere on earth
Coordinated Universal Time
Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communication, navigation, scientific research, and commerce.
https://en.wikipedia.org/wiki/Coordinated_Universal_Time
