National Physical Laboratory

Archive of Summer Time Dates

1920s  |  1930s  |  1940s  |  1950s  |  1960s  |  1970s  |  1980s  |  1990s  |  2000s  |  2010s  |  Double Summer Time

YEAR BEGAN ENDED
1916 21 May 1 October
1917 8 April 17 September
1918 24 March 30 September
1919 30 March 29 September
1920 28 March 25 October
1921 3 April 3 October
1922 26 March 8 October
1923 20 April 16 September
1924 13 April 21 September
1925 19 April 4 October
1926 18 April 3 October
1927 10 April 2 October
1928 22 April 7 October
1929 21 April 6 October
1930 13 April 5 October
1931 19 April 4 October
1932 17 April 2 October
1933 9 April 8 October
1934 22 April 7 October
1935 14 April 6 October
1936 19 April 4 October
1937 18 April 3 October
1938 10 April 2 October
1939 16 April 19 November
1940 25 February Continued
1941 Continued Continued
1942 Continued Continued
1943 Continued Continued
1944 Continued Continued
1945 Continued 7 October
1946 14 April 6 October
1947 16 March 2 November
1948 14 March 31 October
1949 3 April 30 October
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1950 16 April 22 October
1951 15 April 21 October
1952 20 April 26 October
1953 19 April 4 October
1954 11 April 3 October
1955 17 April 2 October
1956 22 April 7 October
1957 14 April 6 October
1958 20 April 5 October
1959 19 April 4 October
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1960 10 April 2 October
1961 26 March 29 October
1962 25 March 28 October
1963 31 March 27 October
1964 22 March 25 October
1965 21 March 24 October
1966 20 March 23 October
1967 19 March 29 October
1968 18 February Continued
1969 Continued Continued
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1970 Continued Continued
1971 Continued 31 October
1972 19 March 29 October
1973 18 March 28 October
1974 17 March 27 October
1975 16 March 26 October
1976 21 March 24 October
1977 20 March 23 October
1978 19 March 29 October
1979 18 March 28 October
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1980 16 March 26 October
1981 29 March 25 October
1982 28 March 24 October
1983 27 March 23 October
1984 25 March 28 October
1985 31 March 27 October
1986 30 March 26 October
1987 29 March 25 October
1988 27 March 23 October
1989 26 March 29 October
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1990 25 March 28 October
1991 31 March 27 October
1992 29 March 25 October
1993 28 March 24 October
1994 27 March 23 October
1995 26 March 22 October
1996 31 March 27 October
1997 30 March 26 October
1998 29 March 25 October
1999 28 March 31 October
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2000 26 March 29 October
2001 25 March 28 October
2002 31 March 27 October
2003 30 March 26 October
2004 28 March 31 October
2005 27 March 30 October
2006 26 March 29 October
2007 25 March 28 October
2008 30 March 26 October
2009 29 March 25 October
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2010 28 March 31 October
2011 27 March 30 October
2012 25 March 28 October

 Double Summer Time

YEAR
BEGAN
ENDED
1941 4 May 10 August
1942 5 April 9 August
1943 4 April 15 August
1944 2 April 17 September
1945 2 April 15 July
1947 13 April 10 August

Data from the Home Office and NPL records.

Last Updated: 28 Mar 2013
Created: 7 Oct 2007

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