4-day work week in Poland: legislative progress, company pilots, and 8 organizational models (2026)

Instead of theoretical discussions about a distant future, the Polish labor market is currently undergoing an unprecedented real-world test. As of January 1, 2026, the pilot phase of the government program "Reduced Working Hours – It's Happening!" has begun, with pioneering enterprises and public institutions examining how this time revolution impacts their financial statements and team mental health. In this comprehensive guide, we analyze the actual legal status, draw conclusions from ongoing implementations, and break down 8 organizational models that allow for reduced working hours without sacrificing profitability.

Where are we now? The status of legislative work and government programs in mid-2026

In 2026, the 4-day work week in Poland is in an advanced, official pilot program phase coordinated by the Ministry of Family, Labor and Social Policy (MRPiPS), which will set the direction for statutory changes in 2027–2028.

From Announcement to Implementation: The "Reduced Working Hours – It's Happening!" Program

The debate that has been ongoing in parliamentary circles for the past two years has now gained concrete executive frameworks. MRPiPS, led by Agnieszka Dziemianowicz-Bąk, launched a program funded by the Labor Fund reserve with a total budget of 50 million PLN. The interest exceeded officials' wildest expectations – nearly 2,000 entities applied for participation, from which 90 institutions and companies were ultimately selected, involving over 5,000 employees in the tests.‍


Two-Stage Hour Reduction Mechanism

The year 2026 has been divided into two key stages:

• Phase I (January – June 2026): Employers participating in the program reduced weekly working hours by a minimum of 10% (which practically means working approximately 36 hours per week).
• Phase II (July – December 2026): A significant transition to the target model occurs – the reduction is a full 20%, meaning employees move to a genuine 32-hour work week.

The government program sets strict boundary conditions: no reduction in wages for employees involved in the project, maintaining employment at a minimum of 90% of the initial level, and the requirement that at least 75% of the staff must be employed under an employment contract.

Prospects for Changes in the Labor Code

The current tests are intended to provide answers to the Special Team for Reduced Working Hours at MRPiPS regarding how the transformation impacts GDP, company productivity, and tax revenues. Official plans assume that after collecting and analyzing data in the first half of 2027, any binding changes to the Labor Code and the permanent implementation of a 32-hour or 4-day work week for the entire economy will be introduced in 2027–2028.

Pilot Programs in Polish Companies and the Public Sector

The experiences of Polish pioneers show that reducing working hours stabilizes employee retention and lowers the number of sick leaves, provided there is a strict reorganization of internal processes and elimination of time waste.

Private Sector: Herbapol Poznań and Sprawny Marketing

Before government programs began, selected private entities blazed the trail at their own expense. Herbapol Poznań became one of the most publicized examples of implementing a full 4-day work week. The company introduced changes gradually, giving employees one free Friday per month, eventually reaching four free days per month (every Friday off) by 2025. Meanwhile, the Sprawny Marketing agency has been testing reduced working hour formats for years, proving that in the professional services industry, where creativity and high focus are crucial, an 8-hour workday, 5 days a week, often generates only illusory productivity.

Unexpected Twist: Public Sector Dominance in Government Program

Contrary to economists' predictions that modern software houses would dominate the government pilot program, the list of 90 qualified entities revealed a completely different trend. The 'Reduced Working Hours – It's Happening!' program sees massive participation from municipal offices, water utility companies, housing cooperatives, and even selected units of the State Forests. City offices in Leszno, Włocławek, and Szczecinek had already experimented with free days or reduced hours, and are now systematizing these activities under ministerial supervision.

What does the hard data from implementations say?

Both partial Polish reports from early 2026 and international studies (e.g., the widely publicized 4 Day Week Global pilot in the UK) reveal recurring correlations. Teams working reduced hours show:

• Reduced professional burnout by over 60%.
• Decrease in sick leave (L4) by an average of 35-40%.
• Increase in overall satisfaction with work-life balance, which directly translates to lower staff turnover.

Comprehensive Review: 8 Organizational Models for Reduced Working Hours

Choosing the right work time organization structure determines the success of the transformation; companies have eight diverse models available, tailored to the specifics of production, continuous services, or project work.

Transitioning to a new system doesn't simply mean closing the office at 5 PM on Thursday. Every organization has different operational characteristics. The table below synthesizes the eight most popular structures that companies in Poland are implementing in 2026.

Comparison Table: 8 Implementation Models for a 4-Day Work Week

Detailed Analysis of Key Models

100-80-100 Model (The Golden Standard)

It is based on a simple principle: the employee receives 100% of their salary, works for 80% of their previous hours, while maintaining 100% of current productivity. This requires the absolute elimination of "dead time" throughout the day.

• Real-life example: A software house eliminates multi-person morning stand-ups in favor of asynchronous reports on Slack.
• Actionable tip: Reduce the duration of every internal meeting by half (from 60 to 30 minutes) and limit the number of participants only to those essential for decision-making.

Compressed Model

Often chosen by manufacturing plants where machine uptime is crucial. Employees do not work fewer hours per week (they still complete 40 hours), but they fulfill them in 4 days of 10 hours each.

• Controversy: Critics point out that this model does not achieve its health-promoting objectives. During the 9th and 10th hours, concentration drops drastically, which creates a risk of errors and workplace accidents.

Friday Rotation Model

To ensure business continuity 5 days a week (e.g., for external clients), we divide the staff into two groups. Group A has Mondays off and works from Tuesday to Friday. Group B has Fridays off and works from Monday to Thursday. The office/service operates continuously, and employees enjoy extended weekends on a rotating basis.

Performance indicators and the financial aspect of work schedule transformation

Reducing working hours necessitates shifting efficiency metrics from the criterion of "time spent at the desk" (input) to the criterion of "achieved business results" (output).

The transition to a 4-day model in 2026 cannot be an act of pure philanthropy. For the board and the Chief Financial Officer (CFO) to approve, the transformation must justify itself in an Excel spreadsheet.

KPI restructuring

Companies successful in pilot programs are redefining how success is measured. Instead of monitoring login times in the ERP system, strict task accountability is introduced:

1. Velocity in project teams: The number of tickets/tasks delivered in a sprint, not the number of hours spent coding.
2. Revenue per Employee: Did reducing working hours by 20% not cause a significant drop in the unit's overall revenue?
3. Recruitment and onboarding costs: Halving employee turnover generates monthly savings of tens of thousands of zlotys on recruitment agencies.

Tools supporting transformation in 2026

A radical reduction in working hours requires implementing an advanced tech stack to take over repetitive, manual tasks:

• Project management and asynchronous communication: ClickUp, Asana, Notion. The rule is simple: if something can be described in a task, we don't make it a meeting.
• Process automation (No-Code/Low-Code): Make.com, Zapier. Connecting CRM systems with invoicing and email without human intervention.
• AI agents and generative artificial intelligence: Gemini Advanced, ChatGPT Plus. Used for quickly generating meeting notes, writing repetitive sales emails, or preliminary code debugging.

What to avoid? Common manager mistakes when implementing changes

The most dangerous mistake when shortening the work week is mechanically cramming 40 hours of duties into 4 days without prior review and elimination of unnecessary operational processes.

Most implementation failures are not due to employee ill will, but rather strategic errors during the planning phase.

• Mistake 1: Retaining the old meeting structure. Managers shorten the work week to Thursday, but leave the same 12 hours of status meetings on their calendars. As a result, employees only have 20 hours for actual deep work (Deep Work), which leads to immense frustration.
• Mistake 2: A culture of permanent micromanagement. If a team leader feels the need to constantly check if an employee is sitting in front of their computer, the 4-day model will collapse. Shortening the work week requires full trust and a shift to Management by Objectives (MBO - Management by Objectives).
• Mistake 3: Lack of clear availability rules (SLA). An external client doesn't need to know that your company has Fridays off. If you don't implement a rotation in your service team or set up automatic rules and self-service systems, clients will go to competitors who respond to emails on Friday at 3:00 PM.

FAQ – Key Questions About the 4-Day Work Week

Does a 4-day work week mean a salary reduction?

No. Both in the official government pilot program by MRPiPS and globally (the 100-80-100 principle), the fundamental assumption of this transformation is to maintain the full current basic salary and all benefits. Any attempt to proportionally reduce wages will be met with resistance from trade unions and employees, turning a benefit into a mere compulsory reduction in working hours.

How can working hours be reduced in the manufacturing or retail sectors?

In industries with continuous operations or those dependent on physical presence, the model of closing the entire facility on a specific day is usually not applied. Instead, advanced scheduling and staffing optimization systems are implemented (e.g., a rotational model or an equivalent working time system). This often requires a temporary increase in staffing for key positions or deep automation (e.g., self-checkout systems in retail, robotization of production lines).

What if an employee can't complete tasks in 4 days?

If an employee consistently cannot complete their work within 32 hours, the cause should be diagnosed. Often, the problem is not sluggishness, but unrealistic managerial expectations (too large a volume of tasks carried over from the old 40-hour system) or errors in work organization (e.g., too frequent distractions, lack of an asynchronous work culture). In exceptional, urgent business cases, standard labor code regulations regarding overtime apply.

How does the Polish legal system respond to changes in working hours in 2026?

Employers outside the government pilot program who wish to introduce free Fridays now utilize flexible provisions contained in the current Labor Code. Most commonly, an equivalent working time system (Art. 135 of the Labor Code), a shortened work week system (Art. 143 of the Labor Code) is applied, or simply provisions more favorable to the employee are introduced in the internal Work Regulations, which is fully legal (the principle of benefit).

Does an extra day off reduce annual leave entitlement?

No. Transitioning to a 4-day work week (while maintaining full-time employment) does not reduce the pool of 20 or 26 days of annual leave an employee is entitled to per year. Only the method of hourly accounting for this leave changes – a day of leave deducts as many hours from the employee's pool as their planned working hours would be on that given day according to the new schedule.

Key Takeaways

• Poland as a testing ground: 2026 marks a crucial phase of the government's pilot program involving over 5,000 employees. The results will determine a revolution in the Labor Code in the coming years.
• Not just IT corporations: Contrary to popular belief, reduced working hours are being successfully implemented in the Polish public sector (city offices, municipal companies) and traditional industries.
• The key is reorganization, not laziness: The success of transitioning to a 32-hour model depends on radically cutting unnecessary meetings, implementing asynchronous communication, and automation using no-code systems and artificial intelligence.
• Model choice matters: There are as many as 8 different ways to organize work – from the gold standard 100-80-100 to compressed models c

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