there 5 sundays,mondays,saturdays in every 200 years
4 years
Over the very long average, once for every seven years. And it's "often".
The month of July has 5 Saturdays and 5 Sundays zerotimes in 2012.
About twice each year
there 5 sundays,mondays,saturdays in every 200 years
4 years
The odds are exactly 14.5%, which makes the average frequency once per 6.9 years.
Never.
Exactly 14% of all Decembers have five of each of Fridays, Saturdays and Sundays.
October 2011, December 2012, March 2014 for starters. In other words, how often does a 31-day month begin on a Saturday? Fairly often.
Over the very long average, once for every seven years. And it's "often".
Whenever December begins on a Saturday, which happens 4 times every 28 years, in a 6-5-6-11 pattern. December had this calendar in 1984, 1990, 2001 and 2007, and it will recur in 2012, 2018 and 2029.
Every year has more than 5 Fridays, 5 Saturdays and 5 Sundays.
The month of July has 5 Saturdays and 5 Sundays zerotimes in 2012.
Exactly 14.25% of all July 23rds are Wednesdays. 14% are Sundays, 14.5% are Mondays, 14.25% are Tuesdays, 14.25% are Wednesdays, 14.5% are Thursdays, 14% are Fridays, and 14.5% are Saturdays.
March