Besides the three EVEN days this week (8/18/14, 8/20/14, and 8/22/14) there are two other noteworthy dates.
8/20/14 is this month’s half-back day: Go up 12 from 8 to 20, then come halfway (6)back from 20 to 14.
And, 8/22/14 is a Minus Subtract day, since 8 – 22 = -14