2012 / 13 Special Dates
21st of February - 21/02/2012 - any time (2102, 2012)
10th of November - 10/11/12 - at 14 minutes past 1 (1:14pm) - (10, 11, 12, 13, 14)
12th of December - 12/12/12 - any time (12, 12, 12)
12th of December - 12/12/12 - at 12 minutes past 12am (12, 12, 12, 12, 12)
20th of December - 20/12/2012 - any time (2012, 2012)
20th of December - 20/12/2012 - at 12 minutes past 8pm (2012, 2012, 2012)
These dates are extremely rare, as there are only 12 months in a year ...
And for 2013 :
3rd of January - 3/1/13 - any time (3113)
31st of January - 31/1/13 - any time (31113)
1st of March - 1/3/13 - any time (1313)
11th of December - 11/12/13 - at quarter past 2 (2:15pm) - (11, 12, 13, 14, 15)