Calculate legal deadlines and court filing dates by entering a start date, the number of days to add or subtract, and whether to exclude weekends or holidays. Your deadline date is displayed instantly, along with the total calendar days and business days counted — essential for attorneys managing court deadlines and filing windows.
Deadline Date
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Days From Today
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Calendar Days Counted
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Weekdays in Period
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Weekend Days in Period
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Missing a legal deadline — such as a filing deadline, statute of limitations, or response window — is one of the leading causes of attorney malpractice claims. A deadline calculator removes manual counting errors by automatically computing the exact due date based on court rules, including weekends and holidays. This helps attorneys, paralegals, and legal teams stay compliant and avoid costly mistakes.
Most courts begin counting the day after the triggering event (e.g., the date of service or filing). Under the Federal Rules of Civil Procedure Rule 6, when a deadline falls on a Saturday, Sunday, or legal holiday, the period runs until the next business day. Always verify the specific rules for your jurisdiction, as state and local courts may have different counting methods.
Calendar days include every day of the week — weekdays and weekends alike. Business days (also called court days) exclude Saturdays and Sundays, and sometimes federal or state holidays. Many legal deadlines specify which type of day count applies, so be sure to read the applicable rule carefully before choosing your calculation method.
In most legal contexts, the start date (the day the event occurs) is excluded from the count, and counting begins the following day. This is the default setting in our calculator, but you can toggle it off if your jurisdiction's rules require the start date to be included.
Yes. Select 'Subtract (backward)' to count back from a known court date. This is useful for calculating preparation deadlines — for example, determining when discovery must be completed or when a motion must be served before a hearing date.
This calculator currently accounts for weekends when the 'Exclude Weekends' option is selected. Federal and state holidays vary by jurisdiction and are not automatically excluded. Always double-check your result against the court calendar for your jurisdiction to confirm whether a holiday shifts the deadline.
This tool is useful for a wide range of legal deadlines, including statutes of limitations, response deadlines, discovery cutoffs, notice periods, appellate filing windows, and contractual time periods. It is suitable for civil litigation, family law, probate, and other practice areas where day-counting is required.
No. This tool is provided for informational and planning purposes only. Deadline rules vary by court, jurisdiction, and case type. Always consult the applicable rules of procedure or a qualified attorney to confirm any critical legal deadline before relying on a calculated date.