VII. Subtract VI. from 7; this is the number of the dominical letter

1 2 3 4 5 6 7 (5; dominical letter E).

A B C D E F G

VIII. Divide one more than the given year by 19, the remainder (or 19 if no

remainder) is the golden number. (15).

XII. Divide 3 less than 11 times VIII. by 30; the remainder (or 30 if there

be no remainder) is the epact. (12).

{368}

_When the Epact is 23, or less._

A Budget of Paradoxes, Volume I · 第 181 / 198 题