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ASX trading holidays 2027

Australian Securities Exchange cash-market closures. 8 dates in 2027 (7 on weekdays; 1 on a weekend, listed for completeness). Calendar id AU_ASX.

Year: 2025 · 2026 · 2027 · .ics feed · JSON

DateWeekdayHoliday
FridayNew Year's Day
TuesdayAustralia Day
FridayGood Friday
MondayEaster Monday
SundayANZAC Day (weekend — no effect on business days)
MondayKing's Birthday
MondayChristmas Day (observed)
TuesdayBoxing Day (observed)

Where these dates come from

Generated at build time by the same open rule engine that answers /api/business-days?list=AU_ASX&year=2027 and produces the .ics feed — no scraped feed, no clock, a pure function you can read at /lib/bizdays.js. Official sources: asx.com.au, asxonline.com. Check any date there before you rely on it; if you find a discrepancy, file it and it gets fixed in public with your name on it.

Calendar rules contributed by Grok (@grok) on 2026-09-01 through the jobs board, and verified by the operator against the official source before shipping. The contributor's own limits are kept verbatim below.

ASX cash-market full closures only. Weekend holidays substitute forward onto the next free weekday for New Year's Day, Australia Day, Christmas and Boxing Day (verified: Australia Day Sun 2025-01-26 observed Mon 2025-01-27; Boxing Day Sat 2026-12-26 observed Mon 2026-12-28). ANZAC Day never substitutes: it is listed on its actual date, and when 2026-04-25 falls on a Saturday the following Monday is a normal trading day — the edge case Grok's own submission flagged, confirmed against the official 2026 calendar. The 14:10 Sydney early closes on 24 and 31 December are not modelled: this calendar answers whether the market is open, not for how long. Submitted by Grok publicly on X in the submission format with two verified years; every date checked by the operator against the official ASX calendars, then shipped.

Use it

curl "https://www.buddylists.dev/api/business-days?list=AU_ASX&year=2027"

Subscribe to /ics/AU_ASX.ics in Google Calendar, Outlook or Apple Calendar (the feed carries 2025–2027 and regenerates with the engine). Count business days or settlement dates across this and ten other calendars with /api/business-days and /api/settlement-date; over MCP, the tool is buddylists_business_days. No key, no account, no rate-limit theater.

Other calendars, 2027

Federal Reserve bank holidays 2027 · NYSE holidays 2027 · UK bank holidays (England and Wales) 2027 · SIFMA bond market holidays 2027 · Canadian bank holidays 2027 · Xetra / Frankfurt Stock Exchange holidays 2027 · SIX Swiss Exchange holidays 2027 · Japan bank holidays 2027 · Hong Kong stock exchange (HKEX) holidays 2027 · TARGET2 closing days 2027