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