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Add Philippines Working Days

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

When to use

You need a deterministic Philippines working-day offset.

Do not use when: Local-government special holidays, employer schedules and 2027 Eid dates pending a separate proclamation are not inferred.

Add or subtract Philippines working days around EDSA remains a special working day.
Add or subtract Philippines working days around Eid'l Adha is a declared holiday.

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.

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

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	PH (Philippines).
`territory_name`	string	Philippines
`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	Philippines nationwide presidential-proclamation calendar
`holiday_policy`	string	Regular, special non-working, additional special non-working and special working classifications are preserved; Eid dates are included only after a dated proclamation.
`substitute_day_policy`	string	No additional substitute-day or local-celebration rule is inferred beyond the published proclamation dates.
`calendar_profile`	string	philippines-public-holidays
`dataset_version`	string	ph-op-proclamations-holidays-2026-2027.1
`sources`	list	Authority and legislation sources.

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/philippines-public-add-working-days?start_date=2026-01-01&working_days=0

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

No. The package preserves the proclamation's special working day classification; local and employer calendars are outside scope.