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Add Bangladesh Working Days

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

When to use

You need a deterministic Bangladesh working-day offset.

Do not use when: Government/public-office schedule only; private-employer, bank, school, industrial-zone, essential-service, regional hill-district, optional-religious and later unlisted ad hoc schedules are not inferred. February 10 is not included because the reported later holiday was industrial-zone specific. Lunar dates may be revised by a later official notice.

Example user requests

Add or subtract Bangladesh working days around Election-period special holiday.
Add or subtract Bangladesh working days around Eid-ul-Adha period.

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	BD (Bangladesh).
`territory_name`	string	Bangladesh
`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	Bangladesh 2026 government public-office holiday schedule plus later election-period national closures
`holiday_policy`	string	Bangladesh_2026_MOPA_public_office_schedule_plus_election_amendment
`substitute_day_policy`	string	government_notification_dates_only; lunar_dates_may_change; regional_optional_and_employer_rules_not_inferred
`calendar_profile`	string	bangladesh-public-holidays
`dataset_version`	string	bd-public-holidays-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/bangladesh-public-add-working-days?start_date=2026-01-01&working_days=0

Machine access

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

Sources

Bangladesh Ministry of Public Administration – 2026 holiday notification (government_official_notification_pdf)
Bangladesh Ministry of Public Administration – archived public-holiday notices (government_official_archive)
Bangladesh Government Press – extraordinary gazette archive (government_gazette_archive)
Bangladesh Bank – 2026 scheduled bank holidays (official_bank_cross_check)
The Daily Star – official 2026 public-holiday list cross-check (reputable_news_cross_check)
Prothom Alo – election-period holiday amendment cross-check (reputable_news_cross_check)
BSS – election-period closure cross-check (reputable_news_cross_check)

FAQ

Does this decide a private company's day off?

No. This package is for the stated government/public-office scope. Private-employer, bank, school, industrial-zone and essential-service schedules can differ.

Are regional Chittagong Hill Tracts holidays included?

No. Regional and optional dates are intentionally not generalized to the national package.

Related calculators

Bangladesh Working Day — Inspect a date and source evidence.