March 16th is six weeks away from February 2nd every year.
29 February
June 15, 2010 falls 120 days after February 15, 2010.
23 February 2011
February 14, 2013
February 14, 2013
The date which falls 90 days after February 2, 2011 is May 3, 2011.
Adding 40 weeks to February 1, 2009 gives November 8, 2009.
To find the date 79 weeks ago, you would subtract 79 weeks from the current date. If today is June 1, 2021, the date 79 weeks ago would be February 10, 2020.
June 4
February 1
Subtracting 21 weeks from February 9, 2011 gives September 15, 2010.
February 4, 2012