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Astronomical Julian Date

Compute the astronomical Julian Date (JD, fractional, epoch noon 1 Jan 4713 BC) and Modified Julian Date (MJD = JD − 2400000.5) of a UTC instant. Unlike `calendar`'s integer Julian Day Number, this carries the time-of-day fraction.

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
393 ms
Price
$0.004 per call
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
2
Category
Unclassified
Address
https://astro.openverbs.com/v1/julian-date

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This page as JSON: /sellers/22407700b028.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

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