Constitution Day Poland

Feiertagskalender.ch

has researched and published holidays and vacations since 2003. All collected data is publicly available for free.

Various companies, universities and applications are now working with our long-term data. For special requirements, we use REST-API Web Services, or prepare data individually according to customer specifications.

For common needs such as planning, organisation, optimisation of business processes and employee assignments, we manufacture standardised products which can be purchased at our online store.