01 Mar 2010 is the 29th day when counted from 01 Feb (01 Feb included). But you can apply only 28 day earlier, therefore I believe, 02 Feb 2010 is the earliest you can apply. regards If we use the same logic to count 4 years from 1 March 2006 (including 1 March 2006), 4 years end on Feb 28, 2010, i...