Holidays & business days for 247 countries
Public, bank and observance holidays for 247 countries plus their states and provinces, 2024–2030. Check whether a date is a business day, or find the next one. The Holiday API is part of DueDate: the same API key and the same monthly quota work for both, on every plan including Free.
Browse all countries · API docs · Get a free API key
Popular calendars for 2026
United States holidays 2026United Kingdom holidays 2026Canada holidays 2026Australia holidays 2026Germany holidays 2026France holidays 2026India holidays 2026Japan holidays 2026Mexico holidays 2026Brazil holidays 2026Spain holidays 2026Italy holidays 2026
Example
curl 'https://duedateapi.com/v1/holidays/list?country=GB&year=2027' \ -H 'Authorization: Bearer YOUR_API_KEY'
Data may change; verify critical dates. Holidays come from the open-source python-holidays project. Lunar and Islamic holidays are calculated estimates, and governments can add or move holidays by announcement. Not legal or payroll advice.
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