Working days and hours in Poland, December 2025

December 2025 has 20 working days and a working time norm of 160 hours.

The norm is for a full-time job in the basic working time system. Calendar days this month: 31.

Public holidays

How the norm is worked out

The Polish Labour Code (art. 130) gives 8 hours for every Monday to Friday and takes off 8 hours for every public holiday not falling on a Sunday. This month: 23 × 8 h − 3 × 8 h = 160 h.

First working day: Monday, 1 December 2025. Last working day: Wednesday, 31 December 2025.

Part-time norms

Legal basis: art. 130 of the Polish Labour Code and the Act of 18 January 1951 on public holidays (Christmas Eve off since 2025). More: working days versus the working time norm.

Deadlines for this month

A tax or contribution deadline that falls on a Saturday, Sunday or public holiday moves to the next working day (art. 12 § 5 of the Tax Ordinance). Pay moves the other way.

Long weekends

November 2025 | All of 2025 | January 2026

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