672 of them.
Vietnam After Hours - 2011 was released on: USA: 28 February 2011
There are 28 days in February 2011.
2011 is not a leap year, therefore, February 2011 contained 28 days.
There are 20 weekdays in February. At least that is how many there are in 2011. :-)
There are 25 days from January 20, 2011 to February 14, 2011.
On every day in February 2011 it would have rained somewhere in the world. So the answer is that it rained on 28 days in February 2011.
Including the start and end dates in the calculation, there are 48 days between the two dates. There are 24 hours in one day. Therefore, 48 days is equal to 48 x 24 = 1152 hours.
There are four Saturdays in February 2011. 5th, 12th, 19th, and 26th.
There are 26 weeks (and 3 days) between August 2010 to February 1 2011.
At the time of writing (06:30) on 09/02/11 - 137 hours 30 minutes until 00:00 on the morning of the 15th
20 days from January 20th to February 9th 2011.
Almost 9 hours!