Official Sources

HolidayDates.net links every country calendar to an official or public source so dates can be checked before critical planning.

Japan

https://www8.cao.go.jp/chosei/shukujitsu/gaiyou.html

China

https://www.gov.cn/zhengce/content/202511/content_7047090.htm

United States

https://www.opm.gov/policy-data-oversight/pay-leave/federal-holidays/

Taiwan

https://www.dgpa.gov.tw/information?uid=41

Hong Kong

https://www.gov.hk/en/about/abouthk/holiday/

Singapore

https://www.mom.gov.sg/employment-practices/public-holidays

Vietnam

https://date.nager.at/

Thailand

https://www.bot.or.th/en/financial-institutions-holiday.html