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183-day calculator
The 183-day rule is one of the key switches in international tax law. Count your days of presence here and get a first orientation.
Enter your periods of presence in the relevant country.
From
To
Days of presence 20260 / 183
In 2026 you are below the 183-day threshold. The treaty text and your facts remain decisive.
Important: This tool provides a non-binding automated first assessment and does not replace tax advice. For a binding assessment, please book a meeting.