Trivium

In any given year, the dates 4/4, 6/6, 8/8, 10/10, and 12/12 fall on the same day of the week.
(Also 9/5, 5/9, 7/11, and 11/7.)

In any given year, the dates 4/4, 6/6, 8/8, 10/10, and 12/12 fall on the same day of the week.
(Also 9/5, 5/9, 7/11, and 11/7.)