Important: This tool provides deadline calculations based on published court rules. Results are not legal advice. Always verify deadlines with the applicable court rules and consult with counsel when in doubt.

Calculate Deadline

Enter the case details to calculate the court deadline

Start Date *

Days to Add *

Count Type

Options

Exclude weekendsExclude holidays

Michigan Court Rules (MCR)

Essential MCR rules for computing time in court proceedings

MCR 1.108 – Computation of Time

Day of act excluded; last day included unless Saturday, Sunday, or legal holiday

MCR 2.108(A) – Time to Answer

21 days for personal service in Michigan; 28 days if served outside Michigan or by mail

MCR 2.107(C)(3) – Mail Service Extension

Parties served by mail receive 3 additional days to respond

MCR 7.204(A) – Appeal Time

21 days from entry of order to file claim of appeal as of right

Michigan Court Rules (Official)

Common Michigan Deadlines

Typical deadlines in Michigan state court practice

Answer (In-State Service)21 days

Answer (Out-of-State / Mail)28 days

Response to Motion for Summary Disposition21 days

Discovery Responses28 days

Claim of Appeal (as of right)21 days

Mail Service Extension+3 days

* Deadlines vary by court type and local administrative orders. Always verify with your specific circuit or district court.

Michigan Court System Overview

Understanding Michigan's court structure

Supreme Court

Highest appellate court

7 Justices

Court of Appeals

Intermediate appellate court

4 Districts

Circuit Courts

General trial courts

57 Circuits

District Courts

Limited jurisdiction

105 Districts

Michigan Practice Tips

Expert guidance for Michigan court deadline management

Michigan-specific considerations: Michigan's answer deadline is 21 days for in-state service (not 30 days). Parties served outside Michigan or by mail get 28 days. Michigan also uses "Motion for Summary Disposition" (MCR 2.116) — not "Motion for Summary Judgment" as in federal courts.

Michigan Best Practices

• Distinguish 21-day (in-state) vs. 28-day (out-of-state) answers
• Use "Motion for Summary Disposition" terminology
• Check Wayne County local administrative orders
• Verify Oakland and Kent county requirements
• Track mail service +3-day extensions

Common Michigan Pitfalls

• Using 30-day answer deadline (Michigan is 21/28)
• Using "Summary Judgment" instead of MCR 2.116 terminology
• Missing 21-day appeal deadline (shorter than federal)
• Not checking circuit-specific administrative orders
• Overlooking Michigan's mandatory e-filing requirements

Related Michigan Calculators

Additional tools for Michigan court practice

Service Deadline Calculator

Calculate Michigan service deadlines and extensions

Appeal Deadline Calculator

21-day Michigan claim of appeal deadline

Discovery Cutoff Calculator

Michigan 28-day discovery response deadlines

How to Use This Calculator

Step-by-step instructions for accurate deadline calculations

Select Your Event Date

Enter the date of service, filing, or court order. MCR 1.108 governs time computation, excluding the day of the act and including the last day.

Choose Response Type

Select your required filing: Answer (21 days for in-state service, 28 days for out-of-state), Motion Response (under MCR 2.116), or other pleading.

Specify Service Method

Michigan allows personal service, registered or certified mail, and electronic service. Mail service under MCR 2.107(C)(3) adds time to response deadlines.

Set Court Day Calculation

Michigan generally uses calendar days for most pleading deadlines. Verify whether your specific filing uses calendar or business days.

Verify Holiday Exclusions

Michigan state holidays extend deadlines. If the last day falls on a weekend or Michigan state holiday, the deadline extends to the next business day.

Check Local Court Rules

Wayne County (Detroit), Oakland County, and Kent County (Grand Rapids) courts have local administrative orders. Verify with your specific circuit court.