KeptStars research · moon
Calculated 2026-11-09.

Run node build-moon-study.mjs. Bundled Astronomy Engine 2.1.19 retains its MIT notice. This code uses the bundled NASA phase reference HTML and the USNO reference times transcribed in the script. Runtime used: Node 24.22.1, ICU78.3, tz2026e.

DATA LICENCE: CC BY 4.0
https://creativecommons.org/licenses/by/4.0/
KeptStars Team; Derived calculations and charts are licensed under CC BY 4.0.

Public study: https://keptstars.com/blog/full-moon-birthday
Method and limitations: method.json
