Free tool
When's it actually due?
Net terms, due on receipt, end of month, or EOM+N — with weekend and holiday skipping. Or run it backwards: pick a due date, find the issue date.
Nothing you type here ever leaves your browser. Every date is calculated locally on your device, the same local-first idea behind the Ochre app.
Reviewed 2026-08-11
Terms
Skip weekends & holidays
A due date landing on a listed date also moves to the next day that isn't a listed holiday (or weekend, if that's on above).
Result
Questions
What does "EOM + N days" mean?
The due date is N days after the last day of the month the invoice was issued in. Some suppliers call this "N days after end of month" — same rule, two common names, both used on this page so neither is a surprise.
Does reverse mode account for skipping weekends or holidays?
No. Weekend/holiday skipping moves a computed due date forward and isn't reliably reversible (many due dates could have been skipped forward from), so reverse mode solves the plain term rule only. If you use the skip option going forward, treat the reverse result as a close approximation, not exact.
Where do I get a list of public holidays to skip?
Ochre doesn't maintain a built-in holiday calendar for any region — holidays vary by country, state, and year, and a stale built-in list would be worse than none. Type the specific dates that matter for your business into the holiday field yourself.
Why did my due date move later than the term implies?
If "skip weekends" is on, or the raw due date landed on a date you listed as a holiday, the calculator moves the due date forward to the next date that isn't — due dates only ever move later, never earlier, which is the common invoicing convention.
What this page cannot do
The date is not the problem. Forgetting it is.
Working out a due date takes a moment. Noticing that thirty of them have passed is the part that costs money. Ochre puts the due date on the invoice, then keeps a queue of what is overdue and by how long, with reminders you can send and late fees if you charge them.
