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Toolbelt402 Time Math
x402
Toolbelt402 Time Math is a paid API for AI agents from toolbelt402.tpoborne.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Performs date/time arithmetic: computes the difference between two datetimes, adds or subtracts ISO-8601 durations from a start time, or converts a timestamp to any IANA timezone with UTC offset and weekday.
Price / call$0.001
Success—
StatusUnknown
How this service works
Date and time arithmetic done right: difference between two datetimes, add or subtract ISO-8601 durations, convert an instant into any IANA timezone with UTC offset and weekday.
Output
Returns a JSON object containing the result of the requested time operation: for 'diff', the duration between two datetimes (days, hours, minutes, seconds); for 'add'/'subtract', the resulting datetime after applying the ISO-8601 duration; for 'convert', the input instant expressed in the target IANA timezone including UTC offset and weekday name.
Example use cases
Meeting time across timezones
“Convert 2025-06-10T14:00:00Z to the America/Los_Angeles timezone so I know what time that meeting falls on for the West Coast team.”
Project deadline calculation
“What date and time do I land on if I add a duration of P2DT5H30M to a start time of 2025-07-01T08:00:00Z?”
Elapsed time between two events
“How much time passed between 2024-01-15T08:30:00Z and 2024-09-22T17:45:00Z? Give me the diff in days, hours, and minutes.”
Technical details
Endpoint
GEThttps://toolbelt402.tpoborne.workers.dev/time/mathWhen to prefer
Choose this endpoint when you need precise, server-side date/time arithmetic without relying on client-side libraries — especially for ISO-8601 duration math, timezone-aware conversions with correct UTC offsets and DST handling, or computing exact differences between two timestamps. Prefer it over general-purpose code execution when you want a lightweight, deterministic, single-call result for time operations.
Side effects
- Missing required 'op' query parameter returns an error
- Invalid or missing 'from'/'to' for diff operation returns a validation error
- Malformed ISO-8601 duration string for add/subtract returns a parse error
- Unrecognized IANA timezone string for convert operation returns an error
- Missing 'time' or 'tz' parameter for convert operation returns an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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