From the beginning of January 2012 to the 30th of April 2012 is 121 days.
31 + 29 + 31 + 30 = 121
90 days
January 30, 2012 to April 8, 2012 is 69 days.
January has 31 days and April has 30 days, so that is a total of 61 days.
On the date the question was asked and answered, the 19th of April 2013, it is 444 days since the 31st of January 2012.
Including the start and end dates in the calculation, there are 97 days between the two dates.
From 1 January 2012 to 1 August 2012 is 213 days. From 31 January 2012 to 1 August 2012 is 183 days. From 1 January 2012 to 31 August 2012 is 243 days.
There is 22 days
31 days
January, 2012 includes 22 weekdays.
Including the start and end date in the calculation, there are 288 days between the two dates.
31, and January 1st is on a Sunday
121 days