the astronomy of easter

easter = the first sunday AFTER
- the first full moon AFTER
  - the first day of spring

--- fri ---------- sat ------------- sun

mar 21 ------ mar 22 -------- mar 23

spring ----- full moon ----- EASTER

now look at another year

--- fri ---------- sat ---------- sun

mar 20 ------ mar 2l ------ mar 22

full moon -- spring ----- not easter

( & won't occur until there is another full moon )

Sat, April 18th = full moon (29.5 days later)

Sun, April 19th = EASTER

EASTER - possible dates:

March 22nd -- April 25th

12 / 20m / 93 --- 12 / 6w / 95