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Julian Date

by Astronomical Julian Date in Productivity & SaaS

x402 APIPassing, checked 2 h ago

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.

POST https://astro.openverbs.com/v1/julian-date

Last 30 days

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Uptime
100%
Response time
555 ms typical, 594 ms slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://astro.openverbs.com/v1/julian-date" \
  -H "content-type: application/json" \
  -d '{"day":1,"hour":1,"minute":1,"month":1,"year":1}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fastro.openverbs.com%2Fv1%2Fjulian-date
const res = await pay("https://astro.openverbs.com/v1/julian-date", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"day":1,"hour":1,"minute":1,"month":1,"year":1}),
});
console.log(await res.json());

Example input

{
  "day": 1,
  "hour": 1,
  "minute": 1,
  "month": 1,
  "year": 1
}

Security scan

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