Adding 90 days to January 27, 2012 gives April 26, 2012.
July 25, 2012
Adding 120 days to January 27, 2011 gives May 27, 2011.
January 27, 2010 + 100 days = May 7, 2010.
March 27, 2012
August 28, 2012
In a regular year, adding 90 days to January 28 gives April 28. In a leap year, adding 90 days to January 28 gives April 27.
331 days after January 1 2011, would fall on November 27 2011.
670 days from the first date to the second so 669 days in between.
That would be 20th January 2018.
Thursday 25 April 2013
90 days from January 27 2010 is Tuesday, April 27, 2010.
Thursday, January 27, 2011 is 120 days after September 29 2010.