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Add Kenya Working Days

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

When to use

You need a deterministic Kenya working-day offset.

Do not use when: This package covers the nationwide public-holiday layer only. It is not a universal private-employer, bank, school, county, sector, diplomatic or shift-work calendar. The Saturday-Sunday baseline is a calculation convention for ordinary weekday work, not a claim that every employer uses the same roster. Idd-ul-Fitr and Idd-ul-Adha are pinned to the 2026 Gazette declarations; future lunar dates and later special notices require a refreshed package. The Act's Sunday substitution rule is preserved and no Saturday-to-Monday substitution is inferred.

Example user requests

Add or subtract Kenya working days around Idd-ul-Fitr public holiday.
Add or subtract Kenya working days around Ordinary Kenya working day.

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 2026-2026.
`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	KE (Kenya).
`territory_name`	string	Kenya
`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	Kenya 2026 nationwide public-holiday layer over a Saturday-Sunday working-week baseline
`holiday_policy`	string	Kenya_Public_Holidays_Act_and_2026_Gazette_Notices
`substitute_day_policy`	string	Sunday_substitution_only_under_Public_Holidays_Act; no Saturday_lieu_day_without_a_specific_notice
`calendar_profile`	string	kenya-public-holidays
`dataset_version`	string	ke-national-public-2026.1
`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/kenya-public-add-working-days?start_date=2026-01-01&working_days=0

Machine access

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

Sources

Kenya Law – Public Holidays Act (Cap. 110) (government_legal_primary)
President of Kenya – Statute Law (Miscellaneous Amendments) Act 2024 (government_official_legal_notice)
Kenya Law – Official Gazette archive (government_official_gazette_index)
Kenya Ministry of Interior – public-holiday mandate (government_official_mandate)
Kenya Gazette Notice No. 3955 – Idd-ul-Fitr 2026 (government_official_gazette_notice)
Kenya Gazette – Eid-ul-Adha 2026 notice (reported notice) (government_official_gazette_notice_reference)
Citizen Digital – Idd-ul-Fitr 2026 government announcement (reputable_national_news_cross_check)
The Standard Kenya – Eid-ul-Adha 2026 Gazette report (reputable_national_news_cross_check)
Japan External Trade Organization – Kenya 2026 holiday table (reputable_institutional_cross_check)
Kenya Broadcasting Corporation – Eid-ul-Adha 2026 report (government_broadcaster_cross_check)

FAQ

Does this include a Monday substitute for Saturday holidays?

No. The Public Holidays Act expressly addresses a holiday falling on Sunday; it does not establish a blanket Saturday-to-Monday rule. The package includes only dates supported by the Act or a specific 2026 Gazette notice.

Does this answer every Kenyan employer or county?

No. It is the nationwide public-holiday layer over a stated weekday baseline. Private employers, counties, banks, schools, diplomatic missions and shift rosters may have different schedules.

Are the Eid dates forecasts?

Not for the pinned year: 20 March and 27 May 2026 are represented as dates declared or reported from Kenya Gazette notices. Future lunar dates are not extrapolated.

Related calculators

Kenya Working Day — Inspect a date and source evidence.