Jim said:

> "Sorry. This makes no sense to me and your math explanation neither. What is y here?"

Frequency is per year, so units are reciprocal of a year or 1 over y.

Why does the observed date of Easter wander from year to year? How often will Easter coincide closely with the first day of spring?

> "Sorry. This makes no sense to me and your math explanation neither. What is y here?"

Frequency is per year, so units are reciprocal of a year or 1 over y.

Why does the observed date of Easter wander from year to year? How often will Easter coincide closely with the first day of spring?