On This Day: How Rome’s Calendar Shaped Politics
May 24: Today, the Roman calendar hands politicians a weapon—control of time itself.

Unknown — "Carnelian ring stone" (ca. 64–68 CE), public domain
Calendar as chessboard, not clock.
On May 24, a dies comitialis, Rome’s business runs—but only if the priests allow it. The pontiffs pick which days are 'comitialis' (open for assembly), 'nefastus' (no public business), or 'fastus' (courts only). Each mark on the calendar can decide a law’s fate.
Delay, disrupt, or deliver—politics by calendar.
Want to stall a trial? Need more time to sway a crowd? Declare a string of nefastus days. In the Republic’s final century, the calendar becomes a political battlefield—one where a clever priest can rewrite the future without ever casting a vote.
The dies comitialis wasn’t just a date. The ability to declare or manipulate these days was a lever for power: magistrates and priests could freeze the future—sometimes for months—by declaring a run of nefastus days.