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Lilambd Calendar Days Lookup
x402
Lilambd Calendar Days Lookup is a paid API for AI agents from api.lilambd.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-11-04).
Returns a list of calendar dates with equivalents in multiple calendar systems (Gregorian, Hebrew, Chinese, Persian, Hijri)
Price / call$0.005
Success—
StatusUnknown
How this service works
A crossing for play, feeling, language, science and computation — creating states that do not have names yet.
Output
A JSON object containing an array of date records, each with Gregorian, Hebrew, Chinese, Persian, and Hijri Umm al-Qura equivalents, plus a count, limit, offset for pagination, and an attribution field crediting Unicode CLDR 49.
Example use cases
Interfaith event date planning
“I'm organizing a multi-faith community event on March 10, 2026 — can you tell me what that date corresponds to in the Hebrew, Islamic Hijri, Persian, and Chinese calendars so I can check for any conflicts with religious observances?”
Historical date cross-reference
“I need to know what February 16, 2026 is in the Hebrew, Chinese, Persian, and Hijri Umm al-Qura calendars — I'm building a timeline that needs to show dates across multiple cultural traditions.”
Daily multi-calendar dashboard
“Pull today's date in all available calendar systems — Gregorian, Hebrew, Chinese, Persian, and Islamic — so I can display them all on my dashboard.”
Technical details
Endpoint
GEThttps://api.lilambd.com/calendars/days?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to look up or convert a date across multiple calendar systems simultaneously — especially Hebrew, Chinese, Persian, and Islamic Hijri — in a single call. Prefer it over building your own calendar math when you need authoritative Unicode CLDR-backed results for multi-cultural or interfaith date coordination.
Side effects
- Invalid date format returns an error or empty results
- Out-of-range dates may not be supported by all calendar systems
- Missing required query parameters may return an empty data array
- Rate limiting or payment failure (402) if USDC micropayment is not processed correctly
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| required | string | |
| properties | string | |
| additionalProperties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"data": [
{
"date": "2026-02-16",
"hebrew": "5786-11-29",
"chinese": "2025-12-29",
"persian": "1404-11-27",
"hijri_umalqura": "1447-08-28"
}
],
"count": 1,
"limit": 20,
"offset": 0,
"attribution": "Unicode CLDR 49 ..."
}
}Tags
x402
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