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How many Friday the 13ths will there be in the year 2010?
There will be one Friday the 13th in 2010 - in August.
What was the most Friday the 13th's in one year?
The most Friday the 13th's you can have in a single calender year is 3. February, March, and November in years that are not leap years. In leap years the most you can have is just 2.Different Answer:In any leap year staring on Sunday, such as 1984 and more recently 2012, you can also have three Friday 13ths - in January, April and July.
What is the maximum number of Friday 13ths that can occur in a year which is not a leap year and in which months will they be?
Three is the maximum and they have to fall in February, March and November as they do in 2009 (in leap years the max is still three, but the months are January, April, and July as in 1984 and 2012) . A normal year will have only one or two. The most is three. The least is one.
How many Friday 13th on average in a year?
It would seem that, over a sufficiently long period, each day of the week should be equally likely. However, that is not the case. For the 400-year period, from 1901-2300 (which includes three non-leap year centuries and one leap year century), the average number of Friday 13th per year was 1.72 which is somewhat larger than the intuitive 1.71428571...In fact Friday is the most common day of the week for a 13th. Of the 4800 13ths in this period,684 fell on a Thursday or on Saturdays (annual average 1.71)685 fell on a Mondays or on Tuesdays (annual average 1.7125)687 fell on a Sunday or on a Wednesday (annual average 1.7175)688 fell on a Friday (annual average 1.72).
Is it possible to have a year with no Friday the 13th?
No. Every year has at least one Friday 13th, the most recent year with only one Friday 13th was 2011, with May 13th falling on Friday. The longest amount of time that can occur without a Friday 13th is fourteen months (1 year 2 months).
