itu-t x.680

I i

Transcription

- US Pronunciation
- US IPA

- US Pronunciation
- US IPA

Definitions of itu-t x.680 words

abbreviation Technical meaning of ITU-T X.680 Coordinated Universal Time 3
noun Definition of itu-t x.680 in Technology (time, standard) (UTC, World Time) The standard time common to every place in the world. UTC is derived from International Atomic Time (TAI) by the addition of a whole number of "leap seconds" to synchronise it with Universal Time 1 (UT1), thus allowing for the eccentricity of the Earth's orbit, the rotational axis tilt (23.5 degrees), but still showing the Earth's irregular rotation, on which UT1 is based. Coordinated Universal Time is expressed using a 24-hour clock and uses the Gregorian calendar. It is used in aeroplane and ship navigation, where it also sometimes known by the military name, "Zulu time". "Zulu" in the phonetic alphabet stands for "Z" which stands for longitude zero. UTC was defined by the International Radio Consultative Committee (CCIR), a predecessor of the ITU-T. CCIR Recommendation 460-4, or ITU-T Recommendation X.680 (7/94), contains the full definition. The language-independent international abbreviation, UTC, is neither English nor French. It means both "Coordinated Universal Time" and "Temps Universel Coordonné". 1

See all 2 definitions of itu-t x.680

Information block about the term

Parts of speech for Itu-t x.680

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Itu-t x.680

See also

All definitions of itu-t x.680

Was this page helpful?

Yes No

Thank you for your feedback! Tell your friends about this page

Tell us why?