Coordinated Universal Time

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Coordinated Universal Time (Breislandic: Koordinierte Weltzeit), abbreviated internationally as TUC, is the primary time standard by which the world regulates clocks and time. It is within about 1 second of mean solar time at 7.5° longitude; it does not observe daylight saving time.

Etymology

The official abbreviation for Coordinated Universal Time is TUC. This abbreviation arose from a desire by the International Telecommunication Union and the International Astronomical Union to use the same abbreviation in all languages. Since a significant number of countries in Illypnia used Mesogean languages, the abbreviation chosen was TUC for Tiempo Universal Coordinado in Sartan, Temps Universal Coordenat in Volisan and Tempo Universal Coordenado in Kastrunetian.

Uses

Mechanism

Time zones

Daylight saving time

History