Netherlands Working Days Calculator
Count Dutch working days between any two dates with all Dutch public holidays excluded — King's Day (27 April), Liberation Day, Easter, Ascension Day, Whit Monday, and both Christmas days. Used for project deadlines and Dutch contract terms.
Count working days in the Netherlands between any two dates — all national feestdagen excluded.
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Covers the Netherlands' national public holidays. Easter-based holidays (Good Friday, Easter, Ascension, Whit) are computed for any year. King's Day observes the preceding Friday if 27 April falls on Sunday. Liberation Day (5 May) is included every year though it is a public holiday only every 5 years for many employers.
Formula
Working Days = Weekdays − Public holidays falling on weekdays
Count all Monday–Friday days in the range, then subtract Dutch public holidays falling on those weekdays. Note that Easter Sunday and Whit Sunday fall on weekends by definition and do not reduce the working day count.
Worked Example
Scenario: An Amsterdam supplier quotes 10 werkdagen (working days) delivery from Monday 14 April 2025.
Good Friday (18 Apr), Easter Monday (21 Apr), King's Day (26 Apr), and Liberation Day (5 May) all fall as weekday holidays within this range.
10 working days + 4 holidays on weekdays = 14 weekdays forward
Result: deadline falls on ~7 May 2025
The April–May period in the Netherlands is particularly dense with public holidays. Always allow extra time for Dutch deliverables in late April and early May.
Common Mistakes
- King's Day date varies. Koningsdag is normally on 27 April. When 27 April falls on a Sunday, it moves to Saturday 26 April (as in 2025). Always check the specific year — using 27 April without checking will give the wrong date in affected years.
- Liberation Day is not always a public holiday. Bevrijdingsdag (5 May) is officially a public holiday only in lustrum years (multiples of 5: 2020, 2025, 2030...). In other years, it is technically a national remembrance day but not a statutory non-working day, though many companies still give the day off. In 2025 it IS a full public holiday.
- Dutch April is the most holiday-dense month. The Netherlands can have Good Friday, Easter Saturday, Easter Sunday, Easter Monday, and King's Day all within a 10-day window in late April. In 2025, plus Liberation Day on 5 May, the first week and a half of May can lose 4–5 working days. Build significant schedule buffer around Dutch deadlines in this period.
Guide
How to Use
- 1
Enter start and end dates
Select the period you want to measure. Both dates are inclusive in the count.
- 2
Click Calculate
The tool counts Monday–Friday days and deducts Dutch public holidays for the selected year.
- 3
Review excluded holidays
The result shows working days and names any Dutch holidays excluded within the range.
- 4
Note the April–May cluster
The Netherlands has the densest public holiday cluster in Europe in late April and early May. Add extra buffer for Dutch project deadlines in this window.
FAQ