Appellate Deadline Calculator
Based on California Rules of Court & Code of Civil Procedure
Appellant's Opening Brief (AOB)
30-Day Calculator: Enter your starting date to calculate the due date 30 days out.
Note: For extensions or deadlines with a different number of days, use the General Date Calculator tab.
Note: For extensions or deadlines with a different number of days, use the General Date Calculator tab.
AOB Due Date:
Appellant's Reply Brief
Cal. Rules of Court, rules 8.360(c)(3), 8.412(b)(3), & 8.416(e)(2)
Rule: Reply brief is due 20 days after the respondent's brief is filed.
Reply Brief Due Date:
Petition for Rehearing
Cal. Rules of Court, rule 8.268(b)(1)
Rule: Petition for rehearing must be served and filed within 15 days after the filing of the decision.
Petition for Rehearing Due Date:
Petition for Review (PFR)
Cal. Rules of Court, rules 8.264(b)(1) & 8.500(e)(1)
Rule: PFR must be filed within 10 days after the Court of Appeal decision becomes final.
Most decisions become final 30 days after filing, making PFR due 40 days after the opinion is filed.
Important: If the finality date falls on a weekend/holiday, the 10-day clock still starts that day—the finality date is not extended. (Cal. Rules of Court, rule 8.500(e)(1).) Only the final filing deadline extends to the next court day if it falls on a weekend/holiday. Some decisions (writ denials without OSC) are final immediately. (Cal. Rules of Court, rule 8.490(b)(1).)
Important: If the finality date falls on a weekend/holiday, the 10-day clock still starts that day—the finality date is not extended. (Cal. Rules of Court, rule 8.500(e)(1).) Only the final filing deadline extends to the next court day if it falls on a weekend/holiday. Some decisions (writ denials without OSC) are final immediately. (Cal. Rules of Court, rule 8.490(b)(1).)
Petition for Review Due Date:
General Deadline Calculator
Code Civ. Proc., §§ 12, 12a
Rule: Time is computed by excluding the first day and including the last day.
If the last day falls on a weekend or court holiday, the deadline extends to the next court day.
Enter the number of calendar days ordered by the court
Due Date:
