September first
Feb > Jan - Dec - Nov - Oct - Sep
September first
September
Nine months after February 9th would be November 9th.
24 February
In 2016 it will be 29th February. However, in non leap years it will be the 28th February.
11 February
February 2 2011
10 August 2014
In any given year, the date 100 days before February 1 is October 24 of the previous year.
23 February 2011
Subtract 9 months!
The 20th of February 2011.
As of the 23rd of October 2017, it would be the 23rd of February, 2101.
That depends on the year. In 2012 it was on February the 5th.