It’s always 15th day of the month of Nisan, which corresponds to the full moon of Nisan. The day has varied somewhat for reasons related to harvest, but it’s been mathematical for 1000 years or so.
It’s 8 days outside of Israel and 7 inside.
Sometimes it’s the same as one of the Christian calendars, but I don’t know which one.
Cool. I love stuff that corresponds to solar/lunar events. Howcome 7 days in Israel, and 8 outside? (Jus’ curious...)
I thought that 15 Nisan was the first day of Pesach. Which should correspond to what we call "Good Friday", not Easter.