← Time Zones & Business Days
tools by fourzerotwo
Convert a local time between zones
Convert a wall-clock time from one IANA zone to another; says when it is ambiguous (clocks go back) or never happens (clocks go forward).
Convert a local time between zones Free
Convert a wall-clock time from one IANA zone to another; says when it is ambiguous (clocks go back) or never happens (clocks go forward).
- cost
- Free then $0.001 / call
- MCP tool
- time__convert
- 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/convert
| Param | Type | Description |
|---|---|---|
| time | string | Local time YYYY-MM-DDTHH:MM[:SS], no offset |
| from | string | IANA zone of that time |
| to | string | IANA zone to convert to |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/time/convert?time=2026-10-25T01%3A30&from=Europe%2FLondon&to=America%2FNew_York" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/time/convert?time=2026-10-25T01%3A30&from=Europe%2FLondon&to=America%2FNew_York"
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__convert", "arguments": {"time":"2026-10-25T01:30","from":"Europe/London","to":"America/New_York"}}
More from Time Zones & Business Days
- Business days (any country) — Count business days between two dates, or add business days to a date, skipping weekends and the country's pub...
- 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).