Crossword clues for Day in Roman calendar. 4 letters:IDESRoman calendar daysIDESRoman calendar dayIDESDay in Roman calendar.IDESDay on the Roman calendarIDESDay of the Roman calendar.IDES13th or 15th days, on the Roman calendarIDESDay originally marked by a full moon in the early Roman calendarNONESAncient Roman calendar dayNONESRoman-calendar dayNONESDay in Roman calendar.