From: Ginny Lepore Sent: Tuesday, July 15, 2014 Subject: August 2014 Calendar
August 2014
Sun
Mon
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August, this year, will have 5 Fridays, 5 Saturdays and 5 Sundays.
The calendar cycles completely every 28 years. Any 31 day month will have the first three days of the month repeat 4 times, for a total 3-day series occurrence of 5 for the month. If the first of the month falls on Friday, the month will be a 5-F-S-S month. Since there are seven 31-day months each year, the 5-F-S-S event will occur 28 times every 28 years. Any given month will have 5-F-S-S 4 times every 28 years, whenever the month begins on Friday. If January begins on Friday, then either July or October will also begin on Friday. http://wiki.answers.com/Q/How_often_does_a_month_have_5_Fridays_5_Saturdays_and_5_Sundays
How recurring calendar months work
Every year has 7 months with 31 days. Each of these 7 months has three weekdays of which there are 5. There are 7 different days a month can start on. So on average, over time, each combination happens once yearly. But for each individual year, there are only 6 of 7 combinations, and two 31-day months start on the same weekday.
In a common/regular year, January and October look the same. In a leap year, January and July look the same.
5 of the same day in one month in 2014
Days that occur 5 times, on these dates:
1 / 8 / 15 / 22 2 / 9 / 16 / 23 3 / 10 / 17 / 24
31 day month 29th of month 30th of month 31st of month Comments
January 2014 5 Wednesdays 5 Thursdays 5 Fridays Same as October
March 2014 5 Saturdays 5 Sundays 5 Mondays
May 2014 5 Thursdays 5 Fridays 5 Saturdays
July 2014 5 Tuesdays 5 Wednesdays 5 Thursdays
August 2014 5 Fridays 5 Saturdays 5 Sundays
October 2014 5 Wednesdays 5 Thursdays 5 Fridays Same as January
December 2014 5 Mondays 5 Tuesdays 5 Wednesdays
Not occurring in 2014: A month with 5 Sundays, 5 Mondays, 5 Tuesdays
5 of the same day in one month in 2015
Days that occur 5 times, on these dates:
1 / 8 / 15 / 22 2 / 9 / 16 / 23 3 / 10 / 17 / 24
31 day month 29th of month 30th of month 31st of month Comments
January 2015 5 Thursdays 5 Fridays 5 Saturdays Same as October
March 2015 5 Sundays 5 Mondays 5 Tuesdays
May 2015 5 Fridays 5 Saturdays 5 Sundays
July 2015 5 Wednesdays 5 Thursdays 5 Fridays
August 2015 5 Saturdays 5 Sundays 5 Mondays
October 2015 5 Thursdays 5 Fridays 5 Saturdays Same as January
December 2015 5 Tuesdays 5 Wednesdays 5 Thursdays
Not occurring in 2015: A month with 5 Mondays, 5 Tuesdays, 5 Wednesdays
http://www.timeanddate.com/calendar/823-years.html
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