# mean obliquity of ecliptic

drillable.com › aa-usno-navy-mil › easter › mean obliquity of ecliptic.
As of the index built 10 Sep 2026, 01:10 UTC · [cites, never asserts](/standing).
Source: The Date of Easter, by https://aa.usno.navy.mil.
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## Records (2)

By drillable.com ([llm-extract/1](/standing#methods)); scored precision 1.00, recall 0.11 on the harness's last sample of 35.

- **formula** = e = 23.439 – 0.00000036 D · [quote](/r/sha256:54f21497d4a27b55e85f26296723d471fba23fc89607691ec11607283b4ae1f5?trace&start=3562&end=3590) · [sha256:f681f987e2ad9d66…](/r/sha256:f681f987e2ad9d666c0a56aaaa5e90664034af9fc1460d3126b27abf16e99de0)
- **formula** = e = 23.439 – 0.00000036 D [superseded] · [quote](/r/sha256:03b340ad32970c9dd2f88c3cd98c0eb5721a19a9f7412b06bfba79378b0cd8ec?trace&start=3560&end=3587) · [sha256:8805bcec170d2cd4…](/r/sha256:8805bcec170d2cd4c69b8dd6f7d1f3080b650a2519b8eab8550badbdaa1be642)

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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