Ice On & Ice Off

 OffOn
2022April 15December 4
2021March 30December 7
2020April 6December 19
2019April 20December 2
2018May 1November 28
2017March 8 (Earliest off)December 14
2016March 16December 10
2015April 6December 19
2014April 24November 21
2013May 3 (Latest off)November 27
2012March 19December 10
2011April 14December 6
2010April 2December 2
2009April 15December 10
2008April 24December 7
2007April 6December 4
2006April 7December 1
2005April 7No data
2004April 1December 14
2003April 6November 6
2002April 16November 24
2001April 22December 2
2000April 1December 19
1999April 3No data
1998March 31December 20 (Latest on)
1997April 21November 17
1996April 22November 15
1995April 9November 21
1994April 13November 30
1993April 17November 24
1992April 5No data
1991April 13November 2 (Earliest on)
1990April 5No data
1989April 20No data
1988April 12December 2
1987April 12November 8
1986April 7November 15
1985April 12November 13
1984April 11December 1
1983April 12November 28
1982April 11November 22
1981April 17November 21
1980April 15November 30
1979April 26December 1
1978No dataNo data
1977No dataNo data
1976April 18November 30
1975April 22November 27
1974April 19November 13
1973No dataNo data
1972March 31November 15