29 Sept 2011 ---add up to Lucifer number

29  9  2011

There are 2 nines in the date

2 + 9 = 11 (day)

This makes 2 elevens in the date

1 + 1 = 2 

2+9 =11 (add the month)

1 + 1 = 2 + 2 + 1 +1  = 6 (Lucifer's number ) (add day month year)