11:11:11 on 11/11/11 – happy palindrome o'clock

This Friday, at the 11th second and the 11th minute after the 11th hour, the date and time will form a 12-digit palindrome. It will be 11:11:11 on 11/11/11.

We have had, since 2000, 10 such sextuplet moments, from one minute past one on 1 January, 2001, to 10:10:10, on 10 October last year. This Friday's alignment, however, is the only one to consist entirely of a single digit, and – assuming we don't suddenly switch to a calendar with 22 months – will be the only moment of its kind for 100 years.   Read More