# Calendar 2027 sources and scope
Verified 2026-10-25 Asia/Seoul. Regular annual Thai holidays, not one-off extra Cabinet holidays.

- SEC official announcement (7 Sep 2026), 18 financial-sector closing days incl substitutes: https://www.sec.or.th/TH/Pages/News_Detail.aspx?SECID=13306
- BOT official annual holiday page: https://www.bot.or.th/th/financial-institutions-holiday.html
- Thai July calendar for Buddhist Lent 19 July and government substitute 20 July: https://myhora.com/calendar/thai-07-2570.aspx

Labour Day applies to financial/private sectors rather than all government offices. Buddhist Lent and government Asalha substitute marked separately from financial-sector Asalha substitute. Royal Ploughing date remains pending; no date invented. Regional holidays not included. Not a universal workplace closing schedule. Public page includes this scope. Gregorian dates generated and validated via Python calendar/datetime, Sunday-first. AI art native1672x941; vector calendar text, A2 PDF; PNG exported from PDF, not a native high-resolution AI artwork.