Not really sure what the statistical answer for Halloween on Sunday but as a standard it is every five or six years. However every so often it skips and occurs every eleven years. Unless I am mistaken the following years are when Halloween occurs on a Sunday;
2010 --> 2021 --> --> 2027 --> 2032 --> 2038 --> 2049 --> 2055 --> 2060 --> 2066 --> 2077 --> 2083 --> 2088 --> 2094 --> 2100
Easter is always on a Sunday.
Exactly 14% of all years have October 31 on a Sunday.
Here are the odds of October 31 falling on each day of the week:
Halloween fell on a Sunday in 2004 and 2010. Halloween will next fall on a Sunday in 2021.
Halloween...just happens to be on Sundays sometimes.......that means GOOD things will happen instead of BAD things
Halloween has fallen on a Sunday in the years 1909, 1915, 1920, 1926, 1937, 1943, 1948, 1954, 1965, 1971, 1976, 1982, 1993, 1999, 2004 and 2010.
Halloween has fallen on a Sunday in the year 1965, 1971, 1976, 1982, 1993, 1999, 2004 and 2010. Halloween will next fall on a Sunday in 2021.
Halloween fell on a Sunday in 2004 and 2010. Halloween will next fall on a Sunday in 2021.
Halloween has fallen on a Sunday in the year 1965, 1971, 1976, 1982, 1993, 1999, 2004 and 2010. Halloween will next fall on a Sunday in 2021.
2004
The last time was in 2012.
New Years fell on a Sunday on the night before the year of 2012.
Easter Sunday last fell on April 7 in 1996. Easter Sunday is due to fall on this date again in the year 2075.
November 6 last fell on a Sunday in the year 2005.
1998
2006
The last time July 15 fell on a Sunday was in 2007.
The last time April 12 fell on a Sunday was 2009.
The last time October 25 fell on a Sunday was in 2009.
As of this year, 2014, the last time February 2 fell on a Sunday was in 2003.
2006, No 2012.
Easter Sunday last fell on April 24 in 1859. Easter Sunday will next fall on April 24 in 2011.