CourtDayCalculator

Court deadline calculator

Select a jurisdiction and rule, enter the triggering event, and see the deadline with every counting step shown — weekends skipped, holidays named, service extensions applied.

Not legal advice. Computed dates are informational only. Verify every deadline against the governing rule, your court's local rules, and the judge's standing orders.

Fed. R. Civ. P. 15(a)(1) — A party may amend once as a matter of course within 21 days after serving the pleading, or — if the pleading requires a response — within 21 days after service of a responsive pleading or of a Rule 12(b), (e), or (f) motion, whichever is earlier.

Service method

Browse deadlines by jurisdiction

U.S. Federal Courts39 deadline rules with worked examplesCalifornia (State Courts)19 deadline rules with worked examples