If you are talking only about July then the next one is in 2016, 2022, 2033, 2039. October will have a 5FSS in 2010, 2021, 2027, 2032.
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.
The next time will be in 2016.
July 1, 1983, was a Friday.
Prior to 2011, the previous occasion on which July 1 was a Friday was in 2005.
It is a Sunday.
Friday July 1st 2011 friday July 1st 2016
June 1 falls on a Friday in exactly 14.5% of all years.
4 times every 28 years
Every 11 years. October 1st falls on Friday this year and again in 2021 and 2032.
October 1, will next fall on a Friday in 2021.
As of 2011, the next time January 1 will fall on a Friday is in 2021.
It was a Friday.
Taking from the start of the 20th century to 2015, the 1st of July was on a Friday in 1904, 1910, 1921, 1927, 1932, 1938, 1949, 1955, 1960, 1966, 1977, 1983, 1988, 1994, 2005 and 2011. It will next be on a Friday in 2016.