Discovery / Court Filing Deadline
Discovery and motion filing deadlines.
These calculators are for informational purposes only and do not constitute legal, financial, or professional advice.
How the Discovery / Court Filing Deadline works
The Discovery / Court Filing Deadline calculator computes when a civil response or filing is actually due by applying the time-computation rules courts use, not a raw calendar count. Enter the triggering date and the rule's day count, choose whether the period runs in court days or calendar days, and flag whether service was by mail — the tool counts forward, applies the holidays of the jurisdictions you select, and rolls any weekend or holiday landing forward to the next open day.
Four rules stack here. The day of the triggering event is excluded, so the count starts the next day. The period is then counted either as calendar days (the federal default since the 2009 amendments to Rule 6, which include intermediate weekends) or as court days that skip weekends and holidays as they go, depending on the convention your court uses. If service was by mail or certain electronic means, three additional days are added under the federal mail rule. Finally, if the last day lands on a weekend or holiday, the deadline rolls forward.
Because those rules interact, the same "30 days" can resolve to several different dates depending on the service method and the day-counting convention. Fix the triggering date first, match the toggles to the rule that actually governs your matter, and treat the result as a docket date you can defend rather than a back-of-envelope estimate.
Worked example
Served requests for production by mail on Friday the 1st with a 30-day period: day zero is Friday, 30 calendar days lands on the 31st, the three mail-rule days carry it to the 34th day, and if that date is a Sunday the roll-forward moves it to Monday (or Tuesday, if that Monday is a court holiday). Turn the business-days toggle on, as a court-day jurisdiction would, and the date moves later still because the intervening weekends are skipped during the count too — same service date, same "30," materially different deadlines.
Frequently asked questions
Does the period count weekends and holidays?
Under the current federal rule it counts every day, including intermediate weekends and holidays, and only rolls forward if the last day lands on a weekend or holiday. Many state courts instead count in court days that skip weekends and holidays throughout. Use the business-days toggle to match whichever convention governs your matter.
When do I add the three mail-rule days?
When service was by mail, by leaving the papers with the clerk, or by certain electronic means — the federal rule adds three days to compensate for transit. Personal service and most court e-filing service do not get the extension. The three days are the federal figure; some states use a different number, so confirm your jurisdiction.
Which date is day zero, and is this legal advice?
The triggering event — the date of service or the date the order was entered — is excluded, so counting starts the next day. This is general information only, not legal advice; time-computation rules vary by court and deadline, so confirm any real deadline against the governing rules of court and a licensed attorney.