Prof. Sam LawlerRE: https://telescoper.blog/2026/04/03/finding-easter/
I'm an astronomer, and I teach at a Catholic college (though I'm not religious myself).
I had absolutely no idea how complicated the date of Easter is. Wow.
Szescstopni@sundogplanets Even more complicated on Mars. Yes, this is a real paper in a real journal, though not one I would trust in any respect (the paper is in Polish, but there is an English abstract)