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Add Peru Working Days

Adds or subtracts Peru authority-scope working days in exact coverage. Required calendar_scope and workweek distinguish national holidays from compensable public-sector days and five/six-day rosters.

When to use

You need a deterministic Peru working-day offset.

Do not use when: Choose calendar_scope and workweek explicitly. National holidays and public-sector compensable days have different applicability. This is a declared five-day (Saturday-Sunday rest) or six-day (Sunday rest) planning calendar, not proof of an individual's roster. Essential services, private-employer adoption, compensating shifts, regional holidays, banking, school, tax and procedural deadline calendars require separate evidence. The two compensable public-sector days remain working days for tax purposes. Later decrees require a new snapshot; dates beyond 2026 are unsupported.

Example user requests

Peru: National layer skips independence holidays.
Peru: Public-sector bridge changes deadline.

Formula

working day = outside selected weekly rest and selected holiday layer

Apply the explicitly selected weekly-rest model and the pinned national or public-sector date layer. Do not infer compensating shifts or tax deadlines.

Inputs

Parameter	Type	Required	Description
`start_date`	date	yes	Gregorian start date in 2026-2026.
`working_days`	integer	yes	Signed offset; start date excluded for non-zero offsets. Range: ≥ -1000, ≤ 1000
`calendar_scope`	enum: national_statutory \| public_sector	yes	Required: national_statutory uses 16 national holidays; public_sector also applies the two published compensable days. Neither is a tax or individual employee roster.
`workweek`	integer	yes	Required declared baseline: 5 = Saturday-Sunday rest, 6 = Sunday rest. Confirm the applicable roster. Range: ≥ 5, ≤ 6

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	PE (Peru).
`territory_name`	string	Peru
`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	Peru 2026 national_statutory
`holiday_policy`	string	Peru_2026_national_holidays_with_explicit_public_sector_layer
`substitute_day_policy`	string	Published dates only; no automatic Monday substitution or employer compensation roster is inferred
`calendar_profile`	string	peru-public-holidays
`dataset_version`	string	pe-official-holidays-2026.1
`sources`	list	Authority and legislation sources.
`calendar_selection`	string	Explicit national_statutory or public_sector layer.
`workweek`	integer	User-selected 5 or 6 days per week.
`compensable_day_details`	list	Public-sector bridge-day facts for the classified date, even when excluded from the selected layer.

Example

National layer skips independence holidays: {"start_date":"2026-07-24","working_days":1,"calendar_scope":"national_statutory","workweek":5} → {"result_date":"2026-07-27"}

Public-sector bridge changes deadline: {"start_date":"2026-07-24","working_days":1,"calendar_scope":"public_sector","workweek":5} → {"result_date":"2026-07-30"}

GET https://tttkmbb.com/api/v1/calculate/peru-public-add-working-days?start_date=2026-07-24&working_days=1&calendar_scope=national_statutory&workweek=5

Machine access

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

Sources

El Peruano – 2026 national holidays (official_newspaper_annual_calendar)
El Peruano – Decreto Supremo 042-2025-PCM (official_gazette_decree)
El Peruano – Decreto Supremo 075-2026-PCM (official_gazette_decree)
Sunafil – July 2026 holiday and non-working-day distinction (labour_inspectorate_explanation)
Congress of Peru – Decreto Legislativo 713 (original_legislation)

FAQ

Is 27 July a national holiday?

It is a compensable public-sector day under DS 075-2026-PCM. The national_statutory layer keeps it working when the selected weekly baseline permits.

Does this calculate tax deadlines?

No. The decrees keep the compensable days working for tax purposes. Use a separately verified tax calendar.

Related calculators

Peru Working Day — Inspect a date and source evidence.