# solar cycle

drillable.com › aa-usno-navy-mil › easter › solar cycle.
As of the index built 10 Sep 2026, 05:14 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/solar-cycle.html) · [markdown](/e/aa-usno-navy-mil/easter/solar-cycle.md) · [json](/e/aa-usno-navy-mil/easter/solar-cycle.json) · [discovery](/.well-known/drillable.json) · [guide](/llms.txt)

## Records (4)

By drillable.com ([llm-extract/1](/standing#methods)); scored precision 1.00, recall 0.33 on the harness's last sample of 33.

- **definition** = the period after which week days and calendar dates repeat in the Julian calendar · [quote](/r/sha256:f2b6937ef225beb3ce31c31367c764315bb5626a6619fc7bdc947d07704d3c9f?trace&start=5393&end=5499) · [sha256:cfda35540686c91e…](/r/sha256:cfda35540686c91e574bca47a622a572b30180fba18926fcf01e5d02db5c9c1e)
- **period** = 28 years · [quote](/r/sha256:f2b6937ef225beb3ce31c31367c764315bb5626a6619fc7bdc947d07704d3c9f?trace&start=5302&end=5326) · [sha256:1a54f88c348fbb87…](/r/sha256:1a54f88c348fbb87cda88e9664015cfda036c9b5b359009e4e13fb5dbe0cc827)
- **definition** = the period after which week days and calendar dates repeat in the Julian calendar [superseded] · [quote](/r/sha256:cb39d9770f091705917adc1e440f69d156550c9d26bc683f153e45b2cb1e787e?trace&start=5274&end=5374) · [sha256:4b778d8f0e72ef44…](/r/sha256:4b778d8f0e72ef4478a35fbcb079831cf51dd3d164a765a21d5484a1f5dbd65c)
- **period** = 28 years [superseded] · [quote](/r/sha256:cb39d9770f091705917adc1e440f69d156550c9d26bc683f153e45b2cb1e787e?trace&start=5180&end=5203) · [sha256:d1b0b13c840a1f42…](/r/sha256:d1b0b13c840a1f42b98d788d02acb001f3d7c4c830c3b83917cf21a623a3340f)

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.

---
[standing](/standing) · Drillable™ is a trademark of Drillable LLC.