Time for saying 2-Down (4)

I believe the answer is:

ides

(Other definitions for ides that I've seen before include "Mid-month date in ancient Rome" , "'''Beware the ... of March'' (Julius Caesar) (4)'" , "Day in Roman months" , "13th or 15th day of the month in Roman calendar" , "Unlucky day for Julius Caesar" .)

I've seen this clue in The Wall Street Journal.

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