About Calendia

Calendia.nl is an independent website bringing together all official public holidays, observances, school holidays, and clock changes in the Netherlands. The site is available in Dutch and English.

Our mission is simple: to provide reliable, up-to-date, and comprehensive information about all important dates in the Dutch calendar year. All dates are verified annually using official sources such as rijksoverheid.nl.

Calendia.nl is built with attention to speed, accessibility, and accurate information. Have a question or found a mistake? Feel free to contact us.