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Denmark Working Day

Checks a date against the Saturday-Sunday weekend baseline and exact 2026-2027 authority events.

When to use

You need a deterministic Denmark Denmark nationwide statutory public holidays for 2026-2027 result.

Do not use when: Nationwide statutory list only. Collective-agreement, employer, sector, school, bank, local and customary half-day closures are not inferred; Store Bededag is not a holiday from 2024 onward.

Example user requests

Denmark: Ascension Day.
Denmark: Constitution Day is not a statutory holiday.

Formula

is_working_day = not an official Saturday/Sunday weekend date and no exact authority event

Apply the pinned authority event table over the declared weekday baseline; do not infer uncovered employer or regional schedules.

Inputs

Parameter	Type	Unit	Required	Description
`date`	date		yes	Gregorian date in Denmark coverage.

Outputs

Output	Type	Description
`territory`	string	DK (Denmark).
`territory_name`	string	Denmark
`weekday`	string	Gregorian weekday.
`is_working_day`	boolean	Monday-Friday with no event in this pinned authority scope.
`day_type`	string	Deterministic classification: official_weekend, regular_workday, or the first published authority event kind.
`holiday_names`	string_list	Events applying on the date.
`holiday_kinds`	string_list	Authority event classifications.
`holiday_details`	list	Structured event details, including partial-day notes where published.
`calendar_scope`	string	Denmark nationwide statutory public holidays for 2026-2027
`holiday_policy`	string	Danish nationwide statutory public holidays are included; May 1, Constitution Day, Christmas Eve and New Year's Eve are explicitly not inferred as public holidays.
`substitute_day_policy`	string	No substitute-day closure is inferred when a statutory holiday falls on a weekend.
`calendar_profile`	string	denmark-public-holidays
`dataset_version`	string	dk-statutory-public-holidays-2026-2027.1
`sources`	list	Authority and legislation sources.

Example

Ascension Day: {"date":"2026-05-14"} → {"is_working_day":false,"day_type":"public_holiday"}

Constitution Day is not a statutory holiday: {"date":"2026-06-05"} → {"is_working_day":true,"day_type":"regular_workday"}

GET https://tttkmbb.com/api/v1/calculate/denmark-public-working-day?date=2026-05-14

Machine access

API: GET https://tttkmbb.com/api/v1/calculate/denmark-public-working-day (query parameters) or POST with a JSON body {"inputs": {...}}
Schema: https://tttkmbb.com/api/v1/calculators/denmark-public-working-day · Markdown: https://tttkmbb.com/everyday/denmark-public-working-day.md · JSON definition: https://tttkmbb.com/everyday/denmark-public-working-day.json
MCP: server https://tttkmbb.com/mcp, tool run_calculator with calculator_id="denmark-public-working-day"
OpenAPI operationId: check_dk_working_day
Freshness: static. Authentication: none. Rate limit: fair use (see rate limits).

Sources

borger.dk – Danish public holidays and non-holidays (government_guidance)
Retsinformation – Helligdagsloven (government_legal_text)
Retsinformation – abolition of Store Bededag as a public holiday (government_legal_text)
Retsinformation – consequences of abolition of Store Bededag (government_legal_text)

FAQ

Are May 1, Constitution Day, Christmas Eve or New Year's Eve public holidays?

No. The official Danish government guidance says these dates are not statutory public holidays; an agreement or employer can still grant time off.

Related calculators

Add Denmark Working Days — Offset through the same authority package.