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Count Vietnam Working Days

Counts authority-scope working and non-working dates in a range.

When to use

You need an auditable Vietnam working-day count.

Do not use when: Public-sector and statutory paid-holiday layer only; private-employer, non-Saturday/Sunday workweeks, provincial, sector, bank, school and employer schedules are not inferred. The proposed four-day 2026 Vietnam Cultural Day public-sector arrangement is not encoded until finally approved.

Example user requests

Count Vietnam working days around New Year transfer.
Count Vietnam working days around Vietnam Cultural Day.

Formula

for each included date: working_days += status.is_working_day

Normalize endpoints and count exact authority events over the declared weekday baseline.

Inputs

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

Outputs

Output	Type	Description
`working_days`	integer	Authority-scope working dates.
`non_working_days`	integer	Weekend and exact authority events.
`public_holidays_counted`	list	Exact events in the range.
`territory`	string	VN (Vietnam).
`territory_name`	string	Vietnam
`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	Vietnam public-sector 2026 holiday schedule and nationwide statutory paid holidays
`holiday_policy`	string	Vietnam_2026_public_sector_schedule_plus_statutory_paid_holidays
`substitute_day_policy`	string	published_2026_transfers_only; private_employer_options_and_unapproved_proposals_not_inferred
`calendar_profile`	string	vietnam-public-holidays
`dataset_version`	string	vn-public-holidays-2026.1
`sources`	list	Authority and legislation sources.

Example

April and May public holidays: {"start_date":"2026-04-26","end_date":"2026-05-01","include_start_date":true,"include_end_date":true} → {"working_days":2,"non_working_days":4}

GET https://tttkmbb.com/api/v1/calculate/vietnam-public-working-days-between?start_date=2026-04-26&end_date=2026-05-01&include_start_date=true&include_end_date=true

Machine access

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

Sources

Government News / Ministry of Home Affairs – 2026 holiday schedule (government_official_announcement)
Government policy portal – 2026 Hung Kings, Reunification, Labour and National Day schedule (government_official_schedule)
Government policy portal – Vietnam Cultural Day (government_official_legislation_notice)
Government policy portal – 2026 New Year schedule (government_official_schedule)
Government legal portal – Labour Code (labour_legislation)
VnExpress – 2026 New Year schedule cross-check (reputable_news_cross_check)

FAQ

Does this decide a private company's day off?

No. Vietnam's private employers may choose compliant schedules for some holiday periods, and employer, sector and roster rules are outside this package.

Is the proposed four-day Vietnam Cultural Day break included?

No. Only the enacted 24 November paid holiday is included; the proposed multi-day public-sector arrangement is not treated as final.

Related calculators

Vietnam Working Day — Inspect a date and source evidence.