Even/Odd Week
Everything you need to organise shared custody: check a date, browse the school holiday calendar, and keep track of the even/odd rhythm all year round.
School Holidays 2026
Zones, official dates, and even/odd indication to plan ahead for every school holiday period.
Week Checker
Enter any date, past or future, and get an instant answer: even or odd week.
Shared Custody
Understand and apply the even/odd rhythm for fair shared custody, week after week.
Week Calendar 2026
A month-by-month overview, with the start and end date of every week.
Even / Odd on iPhone
Check any date from your iPhone, even offline.
Frequently Asked Questions
What tools does Even/Odd offer?
A checker for any date, a yearly week calendar, the school holiday calendar by zone, and a complete shared custody guide — all free, no account needed.
Is the site really free?
Yes, every tool on the site is free with no sign-up. Some product links (like fridge magnets) are clearly marked Amazon affiliate links.
Are the school holidays and public holidays up to date?
School holiday dates come from official sources (gov.uk for the UK) and are updated for each new school year.
Which countries is the site available in?
Even/Odd is available in French, English, German and Dutch, with data adapted to each country (French school zones, German Bundesländer, Dutch regions...).
Should I use the website or the iPhone app?
The website works on any device with nothing to install. The iPhone app adds a home screen widget so you can see the answer without even unlocking your phone.