ut1 ut • uta · · · Info · Definitions · Characters · · ut1 · · Text Common · · Latin · · Scripts 3 · · Length 1 · · Syllables Definitions · · · (noun) the local time at the 0 meridian passing through Greenwich, England; it is the same everywhere. Synonyms: Greenwich Mean Time, Greenwich Time, GMT, universal time, UT, UT1. · · Noun Definition 1 Characters · · 1 digit one U+0031 t latin small letter t U+0074 u latin small letter u U+0075