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Add Saudi Arabia Working Days

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

When to use

You need a deterministic Saudi Arabia working-day offset.

Do not use when: Financial-institution scope only. MHRSD business-sector leave, RTGS-specific intervals, government offices, private-employer rosters, Hajj-season branch exceptions and Umm al-Qura forecasts are not inferred.

Example user requests

Add or subtract Saudi Arabia working days around SAMA Eid Al-Fitr interval.
Add or subtract Saudi Arabia working days around Friday/Saturday weekly baseline.
Add or subtract Saudi Arabia working days around National Day Saturday substitution.

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 2026-2029.
`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	SA (Saudi Arabia).
`territory_name`	string	Saudi Arabia
`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	Saudi Central Bank financial institutions
`holiday_policy`	string	Exact SAMA financial-institution holiday intervals plus the annual National Day and Founding Day rules.
`substitute_day_policy`	string	SAMA states that National Day or Founding Day on Friday moves to Thursday and on Saturday moves to Sunday; the 2028 National Day substitute is included. Other employer or RTGS substitutions are not inferred.
`calendar_profile`	string	saudi-sama-financial-holidays
`dataset_version`	string	sa-sama-financial-holidays-2026-2029.1
`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/saudi-financial-add-working-days?start_date=2026-01-01&working_days=0

Machine access

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

Sources

Saudi Central Bank (SAMA) – holidays and working hours (central_bank_official_calendar)
Saudi MHRSD – holidays and leaves (labour_authority_guidance)
Saudi MHRSD – 2026 Foundation Day (labour_authority_announcement)

FAQ

Does this answer every Saudi employer?

No. It is the SAMA financial-institution calendar. MHRSD business-sector rules, RTGS dates and employer schedules are separate scopes.

Related calculators

Saudi Arabia Working Day — Inspect a date and source evidence.