Date & Time
Add Business Days to a Date (Excluding Weekends)
Adds business days to a start date while skipping Saturdays and Sundays; shows the resulting date, its weekday and the calendar days in between.
Math, Date & General Conversions
Legal & Official Deadlines
Deadline calculations for lawsuits, objections and applications by adding days or months to a start date; calendar-day based with no public-holiday check.
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E-Notification Service Date & Deadline Calculator (5-Day Rule)
Finds the day a Turkish electronic notification is deemed served (end of the 5th day after delivery) and the last day of the period that starts from it.
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Legal Deadline Calculator (Days, Weeks, Months, Years – HMK 92-93)
Finds the last day of a period set in days, weeks, months or years under Turkish civil procedure (HMK art. 92–93), with the weekend and judicial recess extensions.
About this category & regulations
Missing a deadline for filing a lawsuit, an objection or an application can mean losing a right. Legal and official deadline calculation rests on adding the relevant number of days or months to a start date to find the last day.
How the calculation works
Last day = start date + period (days or months). This approach is calendar-day based: it does not treat weekends and public holidays separately. In practice, for some periods, if the last day falls on a holiday the period extends to the next working day; look for that rule in the relevant law.
Things to watch
- When the period starts (notification, learning of the act, date of decision) is set by the relevant legislation.
- The calculations on this page are preliminary information; for the exact deadline consult your lawyer or the relevant institution's rules.
More calculators in Math, Date & General Conversions
Explore all other calculation tools published under the Math, Date & General Conversions category.