← Time Zones & Business Days
tools by fourzerotwo
Business days (any country)
Count business days between two dates, or add business days to a date, skipping weekends and the country's public holidays.
Business days (any country) Free
Count business days between two dates, or add business days to a date, skipping weekends and the country's public holidays.
- cost
- Free then $0.001 / call
- MCP tool
- time__business-days
- method
- GET
Free up to 50 calls a day over MCP (500 with a free key), then $0.001 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/time/business-days
| Param | Type | Description |
|---|---|---|
| country | string | ISO country code |
| from | string | Start date YYYY-MM-DD |
| to? | string | End date YYYY-MM-DD (count mode) |
| days? | integer | Business days to add (add mode; negative goes back) |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/time/business-days?country=DE&from=2026-12-18" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/time/business-days?country=DE&from=2026-12-18"
by fourzerotwo
Report this endpoint
Use it from an AI agent (MCP)
Add the server once, then ask for this data in plain English. The agent finds the endpoint with search_apis and runs it with call_api.
{
"mcpServers": {
"fourzerotwo": { "type": "http", "url": "https://fourzerotwo.si/mcp" }
}
}
# the call the agent makes
call_api {"tool": "time__business-days", "arguments": {"country":"DE","from":"2026-12-18","days":5}}
More from Time Zones & Business Days
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- Current time in a zone — Local time, UTC, offset, abbreviation, DST flag, weekday and ISO week for a zone.
- Paid test call — Server UTC time and a request id. The cheapest paid endpoint: use it to test an x402 payment end to end.
- Time zone facts — Offset, abbreviation and DST at a moment, plus the next clock change, for an IANA zone.
IANA Time Zone Database (public domain); holiday rules via Yasumi (MIT).