Crossword clue: standard time in the 6th time zone west of greenwich, reckoned at the 90th meridian; used in the central united states
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
cst
3 letters
wn-def
standard time in the 6th time zone west of Greenwich, reckoned at the 90th meridian; used in the central United States