Including the start and end dates in the calculation, there are 20 weeks 2 days between the two dates.
From February 25, 2012 to June 23, 2012 is 17 weeks, so there are 16 full weeks between the dates.
19 weeks and 5 days.
From the day the question was asked, the 20th of February 2012, to the 30th of June 2012 was 18 weeks and 5 days.
There are 12000825 full weeks after February 25 of 2012 and before June of 232012 (unless we change calendars, which I'm sure we will if we don't drive ourselves to extinction first, because the Gregorian calendar's pretty stupid).
between 28 and 29 weeks
There are 52 weeks in a year and this is five years. 5x52 equals 260 weeks.
33 weeks and 1 day.
12
As of May 19th, 2012, there are six weeks until June 30th, 2012.
Including both days, it is 26 full weeks.
266 days.
Yes Thats cause of February 30 and February 31 and June 31 in 2012 In 2012 its Thursday February 30, 2012 and Friday February 31, 2012 and Sunday June 31, 2012