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Add Sweden Working Days

Adds or subtracts Sweden authority-scope working days in exact coverage.

When to use

You need a deterministic Sweden working-day offset.

Do not use when: Nationwide statutory list only. Midsummer Eve, Christmas Eve, New Year's Eve, employer, collective-agreement, sector, school, bank and local closures are not inferred; Sunday is already excluded by the weekday baseline.

Example user requests

Add or subtract Sweden working days around National Day.
Add or subtract Sweden working days around Midsummer Eve is not statutory.

Formula

move one day at a time; decrement only on status.is_working_day=true

Skip Saturday/Sunday and exact pinned authority events; do not add unverified substitute days.

Inputs

Parameter	Type	Unit	Required	Description
`start_date`	date		yes	Gregorian start date in 2026-2027.
`working_days`	integer		yes	Signed offset; start date excluded for non-zero offsets. Range: ≥ -1000, ≤ 1000

Outputs

Output	Type	Description
`start_date`	date	Input date.
`result_date`	date	Date reached.
`working_days_added`	integer	Signed requested offset.
`calendar_days_elapsed`	integer	Signed Gregorian difference.
`public_holidays_skipped`	list	Exact events crossed.
`territory`	string	SE (Sweden).
`territory_name`	string	Sweden
`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	Sweden nationwide statutory public holidays for 2026-2027
`holiday_policy`	string	Swedish statutory public holidays under Lag (1989:253), including date-rule holidays; customary equivalent office closures are not inferred.
`substitute_day_policy`	string	No nationwide substitute-day closure is inferred when a statutory holiday falls on a weekend.
`calendar_profile`	string	sweden-public-holidays
`dataset_version`	string	se-statutory-public-holidays-2026-2027.1
`sources`	list	Authority and legislation sources.

Example

Zero offset is identity: {"start_date":"2026-01-01","working_days":0} → {"result_date":"2026-01-01","working_days_added":0}

GET https://tttkmbb.com/api/v1/calculate/sweden-public-add-working-days?start_date=2026-01-01&working_days=0

Machine access

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

Sources

Sveriges riksdag – Lag (1989:253) om allmänna helgdagar (government_legal_text)
Government Offices of Sweden – Public Holidays in Sweden 2026 (government_guidance)

FAQ

Are Midsummer Eve, Christmas Eve or New Year's Eve statutory public holidays?

No. They may be customary or agreement-based days off, but they are not inferred as nationwide statutory public holidays by this package.

Related calculators

Sweden Working Day — Inspect a date and source evidence.