Noun
the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere
Source: WordNetBy then, the UTC clock was already 10 seconds behind TAI, which had been synchronized with UT1 in 1958, but had been counting true SI seconds since then. Source: Internet
Astronomy and Astrophysics 105(2), 361, 1982, see equation 19. defined UT1 such that the observed sidereal day at the beginning of 2000 would be times a UT1 day of main s, which gives main s of UT1. Source: Internet
It includes 62 smoothing terms, with periods ranging from 5.6 days to 18.6 years.sfn * UT2 is a smoothed version of UT1, filtering out periodic seasonal variations. Source: Internet
Because the length of the average day is currently 0.002 seconds more than 24 hours of atomic time, leap seconds are periodically inserted into Coordinated Universal Time to make it approximate to UT1. Source: Internet
History Graph showing the difference between UT1 and UTC. Source: Internet
The difference between UT0 and UT1 is on the order of a few tens of milliseconds. Source: Internet