Legal Deadline Calculator ⚖ Legal Tools Legal Deadline Calculator Compute court deadlines with federal holiday & business day rules 1Trigger date of the period 2Length of the period 3Unit of duration calendar days business days 4Should we exclude the trigger date? exclude trigger date include trigger date 5Rollover to following business day? If the last day is a Saturday, Sunday, or federal holiday, rollover deadline to the next business day. Deadline —