53
2016.
2020
2011 is not a leap year, therefore, February 2011 contained 28 days.
There were 52 Saturdays in 2008. This was not a leap year. Sometimes with a leap year, there may be a 53 Saturdays in a year.
There were exactly 52 Saturdays in the year 2012.
There were exactly 53 Saturdays in the year 2005.
There were exactly 53 Fridays and 52 Saturdays in the year 2010.
They all have four Saturdays. However, usually only four months per year have five Saturdays while usually eight months per year have only four Saturdays.
210
February 3, 2011.
Both 28, the next leap year is 2012.