Every date carries its source and its grade. 241 jurisdictions, reissued monthly.
For payroll, treasury, logistics, legal and engineering teams working across borders.
Edition — · how editions work
One corpus. Three deliveries.
A rule holds for years we have never published.
Most sources return a confident date for a holiday nobody has declared.
A date.
No source.
Estimates look like facts.
Updated when someone remembers.
A date, its source, its precision.
The authority it is pending from, named.
An estimate marked as one.
Reissued monthly, with what moved.
Reckoned on 36 calendar systems, not one.
A row rises only when a retrieval happens. These counts move between editions — sometimes down.
One corpus. The difference is who has to read the answer.
For your systems
The date, its evidence, and our confidence in it.
For a decision
One country, dated, evidenced — a document you can send round.
For planning
Your markets on one calendar. Which week is clear in all of them.
Questions that get expensive when answered badly.
A regional holiday pays one state late.
Different closures. Confusing them moves money late.
Customs winds down before the holiday, not during.
Some jurisdictions roll forward, some back.
A bank holiday, a market closure and a tax deadline can fall on one day and come from three authorities. We keep them apart.
No account. Each shows its working.
What the corpus turns up. Published when there is something, and silent when there is not.