# us naval observatory

drillable.com › aa-usno-navy-mil › easter › us naval observatory.
As of the index built 9 Sep 2026, 22:58 UTC · [cites, never asserts](/standing).
Source: The Date of Easter, by https://aa.usno.navy.mil.
MCP https://mcp.drillable.com · [html](/e/aa-usno-navy-mil/easter/us-naval-observatory.html) · [markdown](/e/aa-usno-navy-mil/easter/us-naval-observatory.md) · [json](/e/aa-usno-navy-mil/easter/us-naval-observatory.json) · [discovery](/.well-known/drillable.json) · [guide](/llms.txt)

## Records (3)

By drillable.com ([llm-extract/1](/standing#methods)); scored precision 1.00, recall 0.38 on the harness's last sample of 39.

- **term-change-1868** = small planets · [quote](/r/sha256:cb5252dce8a11af861c7fc80021e6b6d72bdacf2a2bfa08097b9327d121ede20?trace&start=16100&end=16316) · [sha256:ce76f25d7d647a6b…](/r/sha256:ce76f25d7d647a6b800530e1d8193ef6d447de24998e931c3b464f82e8ac932e)
- **term-change-1892** = asteroid · [quote](/r/sha256:cb5252dce8a11af861c7fc80021e6b6d72bdacf2a2bfa08097b9327d121ede20?trace&start=16317&end=16497) · [sha256:9a22b7917c30047e…](/r/sha256:9a22b7917c30047e0812dbe98bc0399283ba93661d3ed0c1cb62e40bc9fec625)
- **used-circle-convention-until** = 1949 · [quote](/r/sha256:4b5abf5c887c4f4b5b6b1a79b62d9d5bb9fc6ae51e4ca7e1646d07071a21489e?trace&start=20866&end=20901) · [sha256:906b301249c7a971…](/r/sha256:906b301249c7a97186f941bd74734ccee3b4e113367b67dca0afa0e823aa5815)

Everything here is a record by a named reader, arranged; where readers disagree, both are shown.
No reader has asserted a label for it; the title is its address.

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