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UT1

   Also found in: Acronyms, Wikipedia 0.01 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.UT1 - the local time at the 0 meridian passing through Greenwich, EnglandUT1 - the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere
GMT, Greenwich Mean Time, Greenwich Time, universal time, UT
time - the continuum of experience in which events pass from the future through the present to the past
coordinated universal time, UTC - Greenwich Mean Time updated with leap seconds
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org) which is tasked with determining a time scale based on the rotation of the earth UT1 has indeed measured a slowing down of the rotation of the earth.
Earthly matters by Gulf Daily News (Manama, Bahrain)
Because UT1 defines a second as one-86,400th of one rotation of the Earth, and because the Earth's spin is slowing, UTC and GMT are slipping out of sync; albeit very slowly.
In this battle every second counts by Arab News (Jeddah, Saudi Arabia)
Yesterday SMD loaded UT1 (Ultra Trencher 1), a remote controlled submersible robot (ROV), on to a ship for delivery to CTC Marine Projects.
A deeply impressive bit of kit; World's biggest subsea robot by The Journal (Newcastle, England)
 
 
 
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