Today is Palindromic Minute Day? In 1001, at exactly 10:01 in the morning, a clock set on European time read: 1001, 1001, 1001 (10:01, 10/01, 1001). The only other time this happened was at 8:02 p.m. on February 20, 2002. It will never happen again, at least under current dating systems.