What should I check before using a calculated date?

This is not a claim of uniform state coverage. State, territorial and local rules need their own released source pack. Judge-specific directions and electronic-filing cut-offs remain manual checks.

Popular deadline checks

Popular US federal deadline calculators

Choose the federal court system and procedural step first. Each calculator has a fixed, released source pack; local and judge-specific requirements remain outside the result.

Choose a deadline checkRules reviewed 7 August 2026

Choose the procedure first

A cited route for the step in front of you

These are focused procedural checks, not a general legal guide. Open the named step to see its trigger, period, counting method and the boundary that still needs to be checked.

Deadline checks

Pick the exact event or document

A calculator opens with the matching rule or system selected. A cited source guide stays deliberately source-first when the current model cannot faithfully generate a date.

US bankruptcy notice of appealCalculatorCalculate the national 14-day US bankruptcy notice-of-appeal period from entry of the bankruptcy court judgment, order or decree.14 days · Federal Rules of Bankruptcy Procedure, rule 8002(a)(1)US bankruptcy record designationCalculatorCalculate the national 14-day bankruptcy appeal record-designation and statement-of-issues period from the effective appeal or leave order.14 days · Federal Rules of Bankruptcy Procedure, rule 8009(a)(1)US Tax Court deficiency petitionSource guideCheck the 90-day or 150-day US Tax Court deficiency-petition route, the notice-address branch and District of Columbia holiday treatment.90 days for a US-addressed notice; 150 days for an outside-US address · 26 USC section 6213(a); US Tax Court Rule 25 District of Columbia civil deadlinesCalculatorBrowse the released District of Columbia source pack.Alabama civil deadlinesCalculatorBrowse the released Alabama source pack.

Check before use

The procedure is not the whole matter

This is not a claim of uniform state coverage. State, territorial and local rules need their own released source pack.
Judge-specific directions and electronic-filing cut-offs remain manual checks.

Continue checking

United States federal procedureCalculate cited US federal bankruptcy procedural deadlines and check the related tax-court timing guide.Canadian civil procedureFind cited Canadian civil procedure calculators for Ontario, British Columbia and Tax Court routes already represented in the released catalogue.Popular arbitration deadlinesStart with the most-used cited institutional arbitration calculators and source guides in Deadline Engine.