Calculate the deadline.
Pick a ready-made period or type your own. The last day is found under HMK art. 92 and 93, and the judicial recess option applies the art. 104 extension; the holiday calendar covers 2024–2030.
Result
Civil appeal (istinaf) due date
12.11.2026
Thursday, November 12, 2026
Period: 2 weeks. Start: Thursday, October 29, 2026.
The period ends at the end of working hours on this day.
Service rules, how the service date is determined and statutory extensions are not part of the tool.
Calculation steps
Calculation steps
- 01/05
Start
Thursday, October 29, 2026. The start day is not counted; the period begins to run the next day. - 02/05
Raw end
2 weeks later: Thursday, November 12, 2026 (HMK art. 92). - 03/05
Holiday rollover
The last day is a working day; no rollover was needed. - 04/05
Judicial recess extension
The end does not fall in the judicial recess (20 July–31 August); no extension was needed. - 05/05
Last day
Thursday, November 12, 2026
Day-by-day breakdown
- Friday, October 30, 2026Day 1
- Saturday, October 31, 2026Day 2, weekend (part of the period)
- Sunday, November 1, 2026Day 3, weekend (part of the period)
- Monday, November 2, 2026Day 4
- Tuesday, November 3, 2026Day 5
- Wednesday, November 4, 2026Day 6
- Thursday, November 5, 2026Day 7
- Friday, November 6, 2026Day 8
- Saturday, November 7, 2026Day 9, weekend (part of the period)
- Sunday, November 8, 2026Day 10, weekend (part of the period)
- Monday, November 9, 2026Day 11
- Tuesday, November 10, 2026Day 12
- Wednesday, November 11, 2026Day 13
- Thursday, November 12, 2026Day 14
Holiday table
Public and religious holiday table, 2024–2030
Besides weekends, the tool treats the days below as holidays. Fixed holidays fall on the same date every year; the dates of Ramazan Bayrami and Kurban Bayrami move from year to year.
| Holiday | Date |
|---|---|
| New Year’s Day | 1 January |
| National Sovereignty and Children’s Day | 23 April |
| Labour and Solidarity Day | 1 May |
| Commemoration of Atatürk, Youth and Sports Day | 19 May |
| Democracy and National Unity Day | 15 July |
| Victory Day | 30 August |
| Republic Day | 29 October |
| Year | Ramazan Bayrami (3 days) | Kurban Bayrami (4 days) |
|---|---|---|
| 2024 | April 10 – 12 | June 17 – 20 |
| 2025 | March 30 – April 1 | June 6 – 9 |
| 2026 | March 20 – 22 | May 27 – 30 |
| 2027 | March 9 – 11 | May 16 – 19 |
| 2028 | February 27 – 29 | May 4 – 7 |
| 2029 | February 14 – 16 | April 24 – 27 |
| 2030 | February 4 – 6 | April 13 – 16 |
Method
Official sources
- Code of Civil Procedure no. 6100 (HMK), art. 91–94, 102–104, 127, 345, 347, 361, 394 (opens in a new tab)
- Administrative Procedure Law no. 2577 (İYUK), art. 7, 8, 45, 46 (opens in a new tab)
- Enforcement and Bankruptcy Code no. 2004 (İİK), art. 16, 19, 62, 363 (opens in a new tab)
- Criminal Procedure Code no. 5271 (CMK), art. 39, 268, 273, 291 (opens in a new tab)
- Law no. 2429 on National Holidays and Public Holidays (opens in a new tab)
The legislation links and article numbers here are starting references; they do not mean that all current amendments were checked or that the provisions were validated for every period. Review the current official text for the specific deadline.
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How the period is calculated
The tool shows calculation steps for the selected period unit and options: the raw end date, holiday rollover and, when selected, the HMK art. 104 extension calculation. This arithmetic model does not validate every period type, service rule or file-specific procedural exception.
Rules applied
1/5
Days, weeks, months and years (HMK art. 92)
In a period set in days the start day is not counted, and the period ends at the end of the last day. A period set in weeks, months or years ends on the day of the last week, month or year that corresponds to the start day. When the ending month has no corresponding day, the period ends on the last day of that month: a one-month period starting on 31 January ends on the last day of February. The Enforcement and Bankruptcy Code art. 19 and CMK art. 39 follow the same method.
2/5
A last day on a holiday (HMK art. 93)
Public holidays are part of the period and are not skipped when counting. If the last day falls on a public holiday, the period ends at the end of working hours on the first working day after the holiday. Weekends are treated like holidays; when a religious holiday and a weekend run together, the period rolls over to the first working day. The holiday table, including the 2024–2030 religious holidays, is below.
3/5
Judicial recess (HMK art. 102–104)
The judicial recess starts on 20 July and ends on 31 August. In matters subject to it, a period that ends during the recess is deemed extended by one week from the day the recess ends, which means 7 September. If 7 September is a weekend or a holiday, the period rolls over to the first working day. The “This matter is subject to the judicial recess” option switches this on and off. The period does not extend in the urgent matters listed in HMK art. 103 (such as interim injunctions and attachments, maintenance, employee claims, bankruptcy and concordat).
4/5
Holiday eves (arife)
The eves of Ramazan Bayrami and Kurban Bayrami and 28 October are half-day holidays (Law No. 2429). When the last day falls on an eve, the tool leaves the date unchanged and shows a warning only. Confirm the applicable period rule and filing hours for the specific matter separately.
5/5
Business-day mode
Some administrative or contractual targets may be counted in business days. This tool’s business-day mode starts the day after the entered start date; it skips Saturdays and Sundays and, when enabled, the fixed and religious holiday dates defined by the tool. This describes only this tool’s counting rule; it is not a finding that the product record uses an equivalent method or that the method applies under the law. Judicial recess is not applied in this mode.
The holiday calendar covers 2024–2030. If the end or a rollover day falls outside that range, the tool does not guess; it returns an error message.
Examples: appeal period and judicial recess
The four examples were calculated with the same engine as the tool; try your own dates in the form above.
A two-week appeal that meets a religious holiday
For a decision served on Friday, May 15, 2026, the two-week appeal period runs out on Friday, May 29, 2026, which falls in Kurban Bayrami. A weekend follows the holiday, so the period ends at the end of working hours on Monday, June 1, 2026, the first working day.
A period that meets the judicial recess
In a matter subject to the judicial recess, a decision served on Friday, July 10, 2026 has a two-week period that runs out on Friday, July 24, 2026, inside the recess. Under HMK art. 104 the period is extended by one week from 31 August, when the recess ends, so the due date is Monday, September 7, 2026.
End of the month
For a one-month period starting on Saturday, January 31, 2026, February has no matching day, so the period runs out on the last day of February, Saturday, February 28, 2026. That day is a weekend, so the due date is Monday, March 2, 2026.
Business-day mode
A 1 business day period starting on Thursday, March 19, 2026: the next day is the first day of Ramazan Bayrami and the weekend that follows is skipped too, so the due date is Monday, March 23, 2026. Had the holiday not been skipped, the result would be Friday, March 20, 2026.
What is out of scope
- Service rules and how the service date is determined; the calculation takes the start date as entered.
- Periods set by a judge and statutory extensions such as the extra time for a statement of defence.
- Special-law provisions that change when a period starts or how long it is; confirm the ready-made periods against the statute.
- A firm rollover for holiday eves; only a warning is shown.
This tool is a calculation aid for information only; it is not legal advice and its result must not be used as a binding determination of a deadline. The final decision is the lawyer’s. Service rules, how the service date is determined, the effect of holiday eves, statutory extensions and file-specific conditions are out of scope. Checking the type of period, the start date and the accuracy of the result against the legislation is the user’s responsibility. Always verify the period separately before acting on a calculated date.
E-notification tracking guide: how the service date is determined

Deadline tracking in the product
This tool makes one calculation. In Vekilaw, a deadline record is linked to a case; its date preview uses the selected period type and fields, and the server recalculates when it is saved. Agenda and dashboard display depend on visible records and permissions. Notifications depend on preferences, channel setup, quota and provider conditions; they are not guaranteed delivery. See legal deadline tracking for the record fields and product flow, and the appeal and cassation guide for its legal background.
Questions
