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Colombia Working Day

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

When to use

You need a deterministic Colombia Colombia nationwide statutory paid-rest public holidays for 2026 result.

Do not use when: This package covers Colombia's nationwide statutory paid-rest holiday layer over a Saturday-Sunday baseline. Municipal, departmental, school, bank, employer, sector and local patron-saint schedules are not inferred. Future annual calendars require refreshed official evidence.

Example user requests

Colombia: Colombia transferred Three Kings holiday.
Colombia: Colombia Good Friday.
Colombia: Ordinary Colombia working day.

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 Colombia's pinned 2026 nationwide statutory paid-rest holiday coverage.

Outputs

Output	Type	Description
`territory`	string	CO (Colombia).
`territory_name`	string	Colombia
`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	Colombia nationwide statutory paid-rest public holidays for 2026
`holiday_policy`	string	Colombia_Ley_51_1983_plus_Ministry_of_Finance_2026_calendar
`substitute_day_policy`	string	Published_2026_Ley_51_Monday_transfers_are_included; future_or_local_transfers_are_not_inferred
`calendar_profile`	string	colombia-public-holidays
`dataset_version`	string	co-government-public-2026.1
`sources`	list	Authority and legislation sources.

Example

Colombia transferred Three Kings holiday: {"date":"2026-01-12"} → {"is_working_day":false,"day_type":"substituted_public_holiday"}

Colombia Good Friday: {"date":"2026-04-03"} → {"is_working_day":false,"day_type":"national_public_holiday"}

Ordinary Colombia working day: {"date":"2026-09-14"} → {"is_working_day":true,"day_type":"regular_workday"}

GET https://tttkmbb.com/api/v1/calculate/colombia-public-working-day?date=2026-01-12

Machine access

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

Sources

Colombia Ministry of Finance – 2026 holiday calendar (government_official_annual_schedule)
Colombia Function Public – Ley 51 de 1983 (government_official_legislation)
Colombia Function Public – official interpretation of Ley 51 (government_agency_interpretation)

FAQ

Why is 12 January a holiday?

Ley 51 de 1983 moves the paid rest day for 6 January to the following Monday when it does not fall on Monday.

Does this cover every Colombian municipality and employer?

No. This is the nationwide statutory paid-rest layer; municipal, departmental, bank, school, employer and sector calendars require separate evidence.

Are future years included?

No. The package pins 2026 only and must be refreshed from the next official calendar.

Related calculators

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