Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun mst

1 sense of mst

Sense 1
Mountain Time, Mountain Standard Time, MST -- (standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States)
       => civil time, standard time, local time -- (the official time in a local region (adjusted for location around the Earth); established by law or custom)