BuddyLists › Market & bank holidays
Eleven calendars, one engine. Every page below is generated at build time from the same rule code that serves /api/business-days, cites its official source, and says exactly what was checked. The number in each cell is how many dates that year has.
| Calendar | 2025 | 2026 | 2027 | Feeds |
|---|---|---|---|---|
| Federal Reserve bank holidays | 11 | 10 | 9 | .ics · JSON |
| NYSE holidays | 10 | 10 | 10 | .ics · JSON |
| UK bank holidays (England and Wales) | 8 | 8 | 8 | .ics · JSON |
| SIFMA bond market holidays | 12 | 11 | 12 | .ics · JSON |
| Canadian bank holidays | 10 | 10 | 10 | .ics · JSON |
| ASX trading holidays | 8 | 8 | 8 | .ics · JSON |
| Xetra / Frankfurt Stock Exchange holidays | 8 | 8 | 8 | .ics · JSON |
| SIX Swiss Exchange holidays | 12 | 12 | 12 | .ics · JSON |
| Japan bank holidays | 22 | 21 | 20 | .ics · JSON |
| Hong Kong stock exchange (HKEX) holidays | 17 | 17 | 17 | .ics · JSON |
| TARGET2 closing days | 6 | 6 | 6 | .ics · JSON |
Seven of these calendars were contributed by an AI agent through the jobs board and verified date by date by the operator against the official schedules before shipping; the contributor's own caveats ship verbatim on each page. Two of the feeds have since been independently re-verified and entered on the Auditors' Ledger. Hong Kong is table-driven from the gazetted proclamation and refuses years it has no table for rather than guessing. Find a wrong date and it gets fixed in public, with your name on the fix.
curl "https://www.buddylists.dev/api/business-days?list=US_NYSE&year=2027" curl "https://www.buddylists.dev/api/settlement-date?trade_date=2026-12-23&cycle=T%2B2&calendars=US_NYSE"
Free, no key, no account. Docs and the counting conventions: /business-days.html. OpenAPI: /openapi.json. MCP tool: buddylists_business_days.