Taking just the 20th and 21st century to date, the 31st of October was on a Saturday in 1903, 1908, 1914, 1925, 1931, 1936, 1942, 1953, 1959, 1964, 1970, 1981, 1987, 1992, 1998, 2009 and 2015.
The next time October 31 falls on a Saturday is in 2015.
2016, 2022, 2033, 2039, 2044, 2050, 2061, 2067, ...
In 1977, when it was on a Thursday. In the other two years, the 21st of April was on a Saturday.
As of 2011, October 1 will next fall on Saturday in 2016.
Saturday
It was a Saturday.
Saturday
It was a Saturday.
Saturday
Saturday
Saturday
Saturday