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Count Türkiye Statutory Working Days

Counts Türkiye statutory-baseline working and non-working dates over a pinned 2026-2027 range.

When to use

You need an auditable Türkiye statutory working-day count.

Do not use when: You need a private employer, school, bank, exchange, local or collective-agreement calendar.

Example user requests

Count Türkiye working days from 2027-03-01 to 2027-03-31.

Formula

for each included date: working_days += Turkey status.is_working_day

Normalize endpoints, apply endpoint flags and count the pinned Türkiye package over the CLDR weekend baseline.

Inputs

Parameter	Type	Required	Description
`start_date`	date	yes	First date in 2026-2027.
`end_date`	date	yes	Last date in 2026-2027.
`include_start_date`	boolean	default true	Whether start_date participates.
`include_end_date`	boolean	default true	Whether end_date participates.

Outputs

Output	Type	Description
`normalized_start_date`	date	Earlier endpoint.
`normalized_end_date`	date	Later endpoint.
`working_days`	integer	Türkiye statutory-baseline working dates.
`non_working_days`	integer	Weekend, full-day and half-day dates.
`general_holidays_counted`	list	Official events in the range, including half-day fraction.
`territory`	string	TR.
`territory_name`	string	Türkiye.
`day_type`	string	Regular weekday, regular weekend, general holiday or half-day general holiday.
`holiday_names`	string_list	Turkish statutory holiday events applying on the date.
`holiday_kinds`	string_list	full_day or half_day.
`half_day_start_time`	string	13:00 when an official half-day applies; empty string otherwise.
`non_working_fraction`	number	1 for a full-day holiday, 0.5 for a published half-day, and 0 for a regular day.
`weekend_days`	string_list	CLDR Saturday/Sunday baseline.
`calendar_scope`	string	Türkiye statutory national public holidays only.
`half_day_policy`	string	Official 13:00 half-day semantics.
`rest_day_policy`	string	Private and sector-specific closures are not inferred.
`calendar_profile`	string	tr-statutory-public-holidays.
`dataset_version`	string	Pinned Turkish official evidence package.
`sources`	list	Official Diyanet and statutory sources.

Example

March 2027: {"start_date":"2027-03-01","end_date":"2027-03-31","include_start_date":true,"include_end_date":true} → {"working_days":19}

GET https://tttkmbb.com/api/v1/calculate/turkey-working-days-between?start_date=2027-03-01&end_date=2027-03-31&include_start_date=true&include_end_date=true

Machine access

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

Sources

T.C. Diyanet İşleri Başkanlığı 2026 dini günler listesi (government)
T.C. Diyanet İşleri Başkanlığı 2027 dini günler listesi (government)
Ulusal Bayram ve Genel Tatiller Hakkında Kanun No. 2429 (legislation)
TÜİK calendar-effects holiday table (government_reference)

FAQ

Does this count half-days as working days?

No; the range count is conservative and returns the half-day event and fraction separately.

Related calculators

Türkiye Statutory Public-Holiday Working Day — Inspect a date and its official holiday classification.