Adding 90 days to May 5, 2011 gives August 3, 2011.
Sunday the 15th of May 2011.
The 24th of March 2011 is 90 days before it and the 20th of September 2011 is 90 days after it.
90 days before it was the 2nd of May 2011. 90 days after it was the 29th of October 2011.
Adding 90 days to January 28, 2011 gives April 28, 2011.
Adding 90 days to February 1, 2011 gives May 2, 2011.
The date which falls 90 days after February 2, 2011 is May 3, 2011.
March 21, 2012
Adding 90 days to March 29, 2011 gives June 27, 2011.
Sunday the 4th of December 2011 is 90 days and the 5th of September 2011.
Monday the 5th of December 2011 is 90 days and the 6th of September 2011.
90 days after March 13, 2011 would be June 11, 2011.
The question was asked on the 7th of January 2014. 90 days after that is the 7th of April 2014. It was answered on the 31st of January 2014. 90 days after that is the 1st of May 2014.