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Foundry Date Difference Calculator
x402
Foundry Date Difference Calculator is a paid API for AI agents from minty-sprout.onrender.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-11-01).
Computes the difference between two dates in days, weeks, months, and years, including weekday names for each date.
Price / call$0.001
Success—
StatusUnknown
How this service works
Date difference: days, weeks, months and years between two dates. Input: '2026-01-01 2026-12-25'.
Output
A JSON object containing the two input dates (from/to), the difference expressed as days (integer), weeks (decimal), months (integer), and years (decimal), plus the weekday names for both the start and end dates.
Example use cases
Days until project deadline
“How many days and weeks are left between today, June 10 2025, and my project deadline on September 30 2025?”
Age calculation in days
“How many days, months, and years have passed between someone's birthday on March 15 1990 and today, June 10 2025?”
Event countdown planning
“Can you tell me exactly how many days, weeks, and months there are between now, 2025-06-10, and my wedding date on 2026-04-18?”
Technical details
Endpoint
POSThttps://minty-sprout.onrender.com/v1/date-difference?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a structured breakdown of the time span between two specific dates across multiple units (days, weeks, months, years) simultaneously, especially when you also want weekday names for both dates. It is ideal for deadline tracking, event planning, and age calculation without needing to write custom date arithmetic logic.
Side effects
- Invalid or malformed date format (non-YYYY-MM-DD input) may return an error or unexpected result
- Missing or empty input string may cause a processing error
- Providing only one date relies on 'today' as the reference, which may be ambiguous in automated contexts
- Very large date ranges may produce imprecise decimal values for weeks/years
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | string | Two YYYY-MM-DD dates (or one: from today) |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "2026-12-25",
"days": 358,
"from": "2026-01-01",
"weeks": 51.14,
"years": 0.98,
"months": 11,
"weekday_to": "Friday",
"weekday_from": "Thursday"
}
}Tags
x402
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