filing deadline calculator Legal date planning tool Filing Deadline Calculator ◐ Dark Mode 1 Base deadline Trigger / service date The date the event, service, notice, or order occurred. Deadline period days Counting method Calendar days Business days Court days Exclude trigger day Include trigger day 2 Weekend, holiday, and extension rules If deadline falls on weekend/holiday Move to next business day Move to previous business day Do not adjust Service / mailing extension No extension Add 3 days Add 5 days Add 7 days Custom Custom service extension days Other extension days Exclude weekends when counting business/court days Use built-in U.S. federal holiday dates for counting and adjustment Custom closed dates Optional. Add comma-separated dates when your court is closed. 3 Actions Copy Result Print Download PDF Share Result Reset