Thanks to Edward C.
This is a scam – misinformation. Check August 2003, 2008, July 2016, Dec 2017 and May 2020. Lots of them.
Simply: Any 31-day month that begins on a Friday will have five Fridays, Saturdays, and Sundays.
Check the comments for an explanation.
Graham.
This is the only time you’ll see this phenomenon in your life.
Calendar August 2014
| Sun | Mon | Tues | Wed | Thur | Fri | Sat |
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 |
August, this year, will have 5 Fridays, 5 Saturdays and 5 Sundays. This happens only once every 823 years. The Chinese call it ‘Silver pockets full’.
