History of time in the United States

Table columns:
Year
Begins (local)
Ends (local)
Notes

Table rows:
cells: 2020
Sun March 8 02:00
Sun November 1 02:00
cells: 2019
Sun March 10 02:00
Sun November 3 02:00
cells: 2018
Sun March 11 02:00
Sun November 4 02:00
cells: 2017
Sun March 12 02:00
Sun November 5 02:00
cells: 2016
Sun March 13 02:00
Sun November 6 02:00
cells: 2015
Sun March 8 02:00
Sun November 1 02:00
cells: 2014
Sun March 9 02:00
Sun November 2 02:00
cells: 2013
Sun March 10 02:00
Sun November 3 02:00
cells: 2012
Sun March 11 02:00
Sun November 4 02:00
cells: 2011
Sun March 13 02:00
Sun November 6 02:00
cells: 2010
Sun March 14 02:00
Sun November 7 02:00
cells: 2009
Sun March 8 02:00
Sun November 1 02:00
cells: 2008
Sun March 9 02:00
Sun November 2 02:00
cells: 2007
Sun March 11 02:00
Sun November 4 02:00
Energy Policy Act of 2005
cells: 2006
Sun April 2 02:00
Sun October 29 02:00
All of Indiana now on DST
cells: 2005
Sun April 3 02:00
Sun October 30 02:00
cells: 2004
Sun April 4 02:00
Sun October 31 02:00
cells: 2003
Sun April 6 02:00
Sun October 26 02:00
cells: 2002
Sun April 7 02:00
Sun October 27 02:00
cells: 2001
Sun April 1 02:00
Sun October 28 02:00
cells: 2000
Sun April 2 02:00
Sun October 29 02:00
cells: 1999
Sun April 4 02:00
Sun October 31 02:00
cells: 1998
Sun April 5 02:00
Sun October 25 02:00
cells: 1997
Sun April 6 02:00
Sun October 26 02:00
cells: 1996
Sun April 7 02:00
Sun October 27 02:00
cells: 1995
Sun April 2 02:00
Sun October 29 02:00
cells: 1994
Sun April 3 02:00
Sun October 30 02:00
cells: 1993
Sun April 4 02:00
Sun October 31 02:00
cells: 1992
Sun April 5 02:00
Sun October 25 02:00
cells: 1991
Sun April 7 02:00
Sun October 27 02:00
cells: 1990
Sun April 1 02:00
Sun October 28 02:00
cells: 1989
Sun April 2 02:00
Sun October 29 02:00
cells: 1988
Sun April 3 02:00
Sun October 30 02:00
cells: 1987
Sun April 5 02:00
Sun October 25 02:00
Federal Fire Prevention and Control Act of 1986
cells: 1986
Sun April 27 02:00
Sun October 26 02:00
cells: 1985
Sun April 28 02:00
Sun October 27 02:00
cells: 1984
Sun April 29 02:00
Sun October 28 02:00
cells: 1983
Sun April 24 02:00
Sun October 30 02:00
Alaska time zones changed Sun October 30 02:00
cells: 1982
Sun April 25 02:00
Sun October 31 02:00
cells: 1981
Sun April 26 02:00
Sun October 25 02:00
cells: 1980
Sun April 27 02:00
Sun October 26 02:00
cells: 1979
Sun April 29 02:00
Sun October 28 02:00
cells: 1978
Sun April 30 02:00
Sun October 29 02:00
cells: 1977
Sun April 24 02:00
Sun October 30 02:00
cells: 1976
Sun April 25 02:00
Sun October 31 02:00
cells: 1975
Sun February 23 02:00
Sun October 26 02:00
Emergency Daylight Time Act Michigan exempted, began DST Sun April 27 02:00
cells: 1974
Sun January 6 02:00
Sun October 27 02:00
Emergency Daylight Time Act Southern Idaho and eastern Oregon (Mountain time zone) began DST Sun February 3 02:00
cells: 1973
Sun April 29 02:00
Sun October 28 02:00
All of Michigan now on DST
cells: 1972
Sun April 30 02:00
Sun October 29 02:00
cells: 1971
Sun April 25 02:00
Sun October 31 02:00
Indiana (Eastern time zone) opts out
cells: 1970
Sun April 26 02:00
Sun October 25 02:00
cells: 1969
Sun April 27 02:00
Sun October 26 02:00
All of Alaska and Indiana now on DST
cells: 1968
Sun April 28 02:00
Sun October 27 02:00
Arizona and Michigan opt out
cells: 1967
Sun April 30 02:00
Sun October 29 02:00
Uniform Time Act of 1966 Alaska, Hawaii, Indiana and territories opt out
cells: 1966
Sun April 24 02:00
Sun October 30 02:00
Uniform Time Act of 1966 required states that used DST in 1966 to conform to last Sunday in April to last Sunday in October
cells: 1946–65
Local decision, various dates
cells: 1945
Sun September 30 02:00
War Time ends
cells: 1944
War Time all year Arizona War Time not observed Sat January 1 02:00–Sat April 1 02:00 Arizona War Time ends Sat September 30 02:00[9]
cells: 1943
War Time all year
cells: 1942
Mon February 9 02:00
War Time begins year round
cells: 1920–41
Local decision, various dates
cells: 1919
Sun March 30 02:00
Sun October 26 02:00
War Time ends
cells: 1918
Sun March 31 02:00
Sun October 27 02:00
War Time begins summer only

Questions about this table:
originalText: when did daylight savings time start in washington state
answer: answerTexts: Sun March 11 02:00