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When a month has 28 days, this can't happen.
When it has 29 days (February of every leap year) it happens only when the first day of the month is a Saturday.
When a month has 30 days, then if the first day of the month was a Saturday, you would also get 5 Sundays. To get 5 Saturdays and only 4 Sundays, then, means the first day of a 30-day month has to be a Friday.
For a 31-day month, you need the first day of the month to be a Thursday, so that days 3, 10, 17, 24 and 31 are Saturdays and days 4, 11, 18 and 25 are Sundays.
A rough calculation would suggest that the probability of getting the Saturday on the first day of a 29-day month is 1 in 7, that of getting it on the second day of a 30-day month is 1 in 7 and getting it on the third day of a 31-day month is 1 in 7.
So any given month (except February on non-leap years) has a chance of about 1 in 7. 28-day months happen 97 out of every 4800 months in the current Gregorian calendar. So for the other 4703 months out of 400 years, there's a 1 in 7 chance. According to my calculations, it's a 14.00% chance of it happening in the long run, or about once every 7 months on average.
What else can I help you with?
How often does the month of July have 5 Saturedays and 5 Sundays in 2012?
The month of July has 5 Saturdays and 5 Sundays zerotimes in 2012.
How often does a month have 5 Fridays 5 Saturdays and 5 Sundays equals?
March
How often does a month have 5 Fridays 5 Saturdays and 6 Sundays?
ummm...never.
How often does the month of October have 5 Saturdays 5 Sundays and 5 Mondays?
4 years
How often are there 5 Fridays 5 Saturdays and 5 Sundays in a month?
every 823 years.
How often does the month of July have 5 Fridays 5 Saturdays and 5 Sundays and 5 Mondays?
Never.
How often 5 mondays 5 satardays and 5 Sundays in one month?
there 5 sundays,mondays,saturdays in every 200 years
How many Saturdays and Sundays are in a month?
A month always has 28 or more days, so as there are 7 days in a week there are always at least 4 Saturdays and four Sundays in a month. As most months have more than 28 days, there can be up to 5 Saturdays and up to 5 Sundays in a month.
How often are there 5 Fridays 5 Saturdays and 5 Sundays in a year?
Every year has more than 5 Fridays, 5 Saturdays and 5 Sundays.
Why is October 2010 a unique month?
It has 5 Fridays, 5 Saturdays and 5 Sundays.
When was the last time there were 5 Fridays and 5 Saturdays and 5 Sundays in a month?
October 2010
How often does December have 5 Fridays Saturdays and Sundays?
Exactly 14% of all Decembers have five of each of Fridays, Saturdays and Sundays.
