We’ve lived through 01.01.01, 02.02.02, 03.03.03, 04.04.04, 05.05.05, 06.06.06, 07.07.07, 08.08.08, 09.09.09, 10.10.10, 11.11.11, and now 12.12.12… This only happens once every 1000 years.