UT1

 I. (noun) 

Sense 1

Meaning:

The local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

Synonyms:

GMT; Greenwich Mean Time; Greenwich Time; universal time; UT; UT1

Classified under:

Nouns denoting time and temporal relations

Hypernyms ("UT1" is a kind of...):

time (the continuum of experience in which events pass from the future through the present to the past)

Hyponyms (each of the following is a kind of "UT1"):

coordinated universal time; UTC (Greenwich Mean Time updated with leap seconds)

Credits