Once in every 823 YEAR ... POCKET FULL OF MONEY, Month of July year 2017

As of this date, July 2, 2017, my facebook friend message me in messenger about the month of July year 2017.

He said that the month of July year 2017 has 5 Saturdays and 5 Sundays and 5 Mondays, and he said this happen once every 823 years!!! ... now i look at the Month of July year 2017!!! ...I found five Saturdays, Five Sundays and Five Monday!!!  in CHINESE call this POCKET FULL OF MONEY...