The 14th of November 2010 is 60 days before the 13th of January 2011. The 14th of March 2011 is 60 days after it.
Adding 180 days to January 13, 2011 gives July 12, 2011.
July 13 2010 plus 180 days is Sunday, January 9, 2011.
There are 25 days between December 13 2010 to January 7 2011.
110 days.
In a non-leap year, adding 90 days to January 13 gives April 13. In a leap year, adding 90 days to January 13 gives April 12.
That would make your estimated conception date January 19th 2011. However, this is give or take a few days. Often it depends on when you ovulated as well.
Adding 120 days to June 13, 2011 gives December 10, 2011.
That would make your estimated conception date April 21st 2011. However, this date is give or take a few days. It also depends on when you ovulated.
Friday, February 18, 2011 is 67 days from Dec 13.
225 days from the start date to the end date, end date is included.
146 days.
Subtracting 387 days from May 13, 2011 gives April 21, 2010.