From the beginning of 1999 through the end of 2011 was 4383 days.
In 2011 there were 365 days.
There are 28 days in February 2011.
April in 2011 had 30 days.
30 days are in November 2011.
There were 260 week days in 2011.
There are 105 weekend days in 2011 :)
122 days
There were 28 days in February of 1999. Only on Leap Years is there an additional day.
365
30
66 days.
184 days.