Are Turkish public holidays included automatically?

Yes. The Turkish official holiday calendar is built in. You can toggle it on or off depending on your needs.

Can I add my own custom holidays?

Yes. You can manually add any non-working days such as factory shutdowns or company-specific closures.

Is this tool accurate enough for legal deadline calculations?

The tool provides a reliable working day count, but for statutory deadlines you should always consult a qualified legal professional. This tool does not replace professional legal advice.

Can I calculate multiple date ranges at once?

The tool processes one range at a time. Simply re-run it for each additional range you need.

What if my business uses a Saturday-to-Wednesday working week?

You can customize which days are treated as weekends, so any working week structure is supported.

How do I share the result with a colleague?

Download the result as a PDF or copy the calculation summary and paste it into an email or document.

Business day calculator — Free Online

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ℹ️ Religious holiday dates (Ramadan and Eid al-Adha) shift each year; this calculator uses approximate dates. Check the Diyanet (Presidency of Religious Affairs) calendar for exact dates.

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Business Day Calculator

📖 How to Use