History of daylight savings time for : Worland (United States) Year : 1901 Back to standard time on Friday 13 December 1901 - 20 h 45 (GMT - 7 h ) MST Year : 1918 Transition to daylight saving time on Sunday 31 March 1918 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1918 - 08 h 00 (GMT - 7 h ) MST Year : 1919 Transition to daylight saving time on Sunday 30 March 1919 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1919 - 08 h 00 (GMT - 7 h ) MST Year : 1920 Transition to daylight saving time on Sunday 28 March 1920 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1920 - 08 h 00 (GMT - 7 h ) MST Year : 1921 Transition to daylight saving time on Sunday 27 March 1921 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 22 May 1921 - 08 h 00 (GMT - 7 h ) MST Year : 1942 Transition to daylight saving time on Monday 9 February 1942 - 09 h 00 (GMT - 6 h ) MWT Year : 1945 Transition to daylight saving time on Thuesday 14 August 1945 - 23 h 00 (GMT - 6 h ) MPT Back to standard time on Sunday 30 September 1945 - 08 h 00 (GMT - 7 h ) MST Year : 1965 Transition to daylight saving time on Sunday 25 April 1965 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1965 - 08 h 00 (GMT - 7 h ) MST Year : 1966 Transition to daylight saving time on Sunday 24 April 1966 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 1966 - 08 h 00 (GMT - 7 h ) MST Year : 1967 Transition to daylight saving time on Sunday 30 April 1967 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 1967 - 08 h 00 (GMT - 7 h ) MST Year : 1968 Transition to daylight saving time on Sunday 28 April 1968 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1968 - 08 h 00 (GMT - 7 h ) MST Year : 1969 Transition to daylight saving time on Sunday 27 April 1969 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1969 - 08 h 00 (GMT - 7 h ) MST Year : 1970 Transition to daylight saving time on Sunday 26 April 1970 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 25 October 1970 - 08 h 00 (GMT - 7 h ) MST Year : 1971 Transition to daylight saving time on Sunday 25 April 1971 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1971 - 08 h 00 (GMT - 7 h ) MST Year : 1972 Transition to daylight saving time on Sunday 30 April 1972 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 1972 - 08 h 00 (GMT - 7 h ) MST Year : 1973 Transition to daylight saving time on Sunday 29 April 1973 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 28 October 1973 - 08 h 00 (GMT - 7 h ) MST Year : 1974 Transition to daylight saving time on Sunday 6 January 1974 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1974 - 08 h 00 (GMT - 7 h ) MST Year : 1975 Transition to daylight saving time on Sunday 23 February 1975 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1975 - 08 h 00 (GMT - 7 h ) MST Year : 1976 Transition to daylight saving time on Sunday 25 April 1976 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1976 - 08 h 00 (GMT - 7 h ) MST Year : 1977 Transition to daylight saving time on Sunday 24 April 1977 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 1977 - 08 h 00 (GMT - 7 h ) MST Year : 1978 Transition to daylight saving time on Sunday 30 April 1978 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 1978 - 08 h 00 (GMT - 7 h ) MST Year : 1979 Transition to daylight saving time on Sunday 29 April 1979 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 28 October 1979 - 08 h 00 (GMT - 7 h ) MST Year : 1980 Transition to daylight saving time on Sunday 27 April 1980 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1980 - 08 h 00 (GMT - 7 h ) MST Year : 1981 Transition to daylight saving time on Sunday 26 April 1981 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 25 October 1981 - 08 h 00 (GMT - 7 h ) MST Year : 1982 Transition to daylight saving time on Sunday 25 April 1982 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1982 - 08 h 00 (GMT - 7 h ) MST Year : 1983 Transition to daylight saving time on Sunday 24 April 1983 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 1983 - 08 h 00 (GMT - 7 h ) MST Year : 1984 Transition to daylight saving time on Sunday 29 April 1984 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 28 October 1984 - 08 h 00 (GMT - 7 h ) MST Year : 1985 Transition to daylight saving time on Sunday 28 April 1985 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1985 - 08 h 00 (GMT - 7 h ) MST Year : 1986 Transition to daylight saving time on Sunday 27 April 1986 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1986 - 08 h 00 (GMT - 7 h ) MST Year : 1987 Transition to daylight saving time on Sunday 5 April 1987 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 25 October 1987 - 08 h 00 (GMT - 7 h ) MST Year : 1988 Transition to daylight saving time on Sunday 3 April 1988 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 1988 - 08 h 00 (GMT - 7 h ) MST Year : 1989 Transition to daylight saving time on Sunday 2 April 1989 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 1989 - 08 h 00 (GMT - 7 h ) MST Year : 1990 Transition to daylight saving time on Sunday 1 April 1990 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 28 October 1990 - 08 h 00 (GMT - 7 h ) MST Year : 1991 Transition to daylight saving time on Sunday 7 April 1991 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1991 - 08 h 00 (GMT - 7 h ) MST Year : 1992 Transition to daylight saving time on Sunday 5 April 1992 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 25 October 1992 - 08 h 00 (GMT - 7 h ) MST Year : 1993 Transition to daylight saving time on Sunday 4 April 1993 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1993 - 08 h 00 (GMT - 7 h ) MST Year : 1994 Transition to daylight saving time on Sunday 3 April 1994 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 1994 - 08 h 00 (GMT - 7 h ) MST Year : 1995 Transition to daylight saving time on Sunday 2 April 1995 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 1995 - 08 h 00 (GMT - 7 h ) MST Year : 1996 Transition to daylight saving time on Sunday 7 April 1996 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1996 - 08 h 00 (GMT - 7 h ) MST Year : 1997 Transition to daylight saving time on Sunday 6 April 1997 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1997 - 08 h 00 (GMT - 7 h ) MST Year : 1998 Transition to daylight saving time on Sunday 5 April 1998 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 25 October 1998 - 08 h 00 (GMT - 7 h ) MST Year : 1999 Transition to daylight saving time on Sunday 4 April 1999 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1999 - 08 h 00 (GMT - 7 h ) MST Year : 2000 Transition to daylight saving time on Sunday 2 April 2000 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 2000 - 08 h 00 (GMT - 7 h ) MST Year : 2001 Transition to daylight saving time on Sunday 1 April 2001 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 28 October 2001 - 08 h 00 (GMT - 7 h ) MST Year : 2002 Transition to daylight saving time on Sunday 7 April 2002 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 2002 - 08 h 00 (GMT - 7 h ) MST Year : 2003 Transition to daylight saving time on Sunday 6 April 2003 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 2003 - 08 h 00 (GMT - 7 h ) MST Year : 2004 Transition to daylight saving time on Sunday 4 April 2004 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 2004 - 08 h 00 (GMT - 7 h ) MST Year : 2005 Transition to daylight saving time on Sunday 3 April 2005 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 2005 - 08 h 00 (GMT - 7 h ) MST Year : 2006 Transition to daylight saving time on Sunday 2 April 2006 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 2006 - 08 h 00 (GMT - 7 h ) MST Year : 2007 Transition to daylight saving time on Sunday 11 March 2007 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 4 November 2007 - 08 h 00 (GMT - 7 h ) MST Year : 2008 Transition to daylight saving time on Sunday 9 March 2008 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 2 November 2008 - 08 h 00 (GMT - 7 h ) MST Year : 2009 Transition to daylight saving time on Sunday 8 March 2009 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 1 November 2009 - 08 h 00 (GMT - 7 h ) MST Year : 2010 Transition to daylight saving time on Sunday 14 March 2010 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 7 November 2010 - 08 h 00 (GMT - 7 h ) MST Year : 2011 Transition to daylight saving time on Sunday 13 March 2011 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 6 November 2011 - 08 h 00 (GMT - 7 h ) MST Year : 2012 Transition to daylight saving time on Sunday 11 March 2012 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 4 November 2012 - 08 h 00 (GMT - 7 h ) MST Year : 2013 Transition to daylight saving time on Sunday 10 March 2013 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 3 November 2013 - 08 h 00 (GMT - 7 h ) MST Year : 2014 Transition to daylight saving time on Sunday 9 March 2014 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 2 November 2014 - 08 h 00 (GMT - 7 h ) MST Year : 2015 Transition to daylight saving time on Sunday 8 March 2015 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 1 November 2015 - 08 h 00 (GMT - 7 h ) MST Year : 2016 Transition to daylight saving time on Sunday 13 March 2016 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 6 November 2016 - 08 h 00 (GMT - 7 h ) MST Year : 2017 Transition to daylight saving time on Sunday 12 March 2017 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 5 November 2017 - 08 h 00 (GMT - 7 h ) MST Year : 2018 Transition to daylight saving time on Sunday 11 March 2018 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 4 November 2018 - 08 h 00 (GMT - 7 h ) MST Year : 2019 Transition to daylight saving time on Sunday 10 March 2019 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 3 November 2019 - 08 h 00 (GMT - 7 h ) MST Year : 2020 Transition to daylight saving time on Sunday 8 March 2020 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 1 November 2020 - 08 h 00 (GMT - 7 h ) MST Year : 2021 Transition to daylight saving time on Sunday 14 March 2021 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 7 November 2021 - 08 h 00 (GMT - 7 h ) MST Year : 2022 Transition to daylight saving time on Sunday 13 March 2022 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 6 November 2022 - 08 h 00 (GMT - 7 h ) MST Year : 2023 Transition to daylight saving time on Sunday 12 March 2023 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 5 November 2023 - 08 h 00 (GMT - 7 h ) MST Year : 2024 Transition to daylight saving time on Sunday 10 March 2024 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 3 November 2024 - 08 h 00 (GMT - 7 h ) MST Year : 2025 Transition to daylight saving time on Sunday 9 March 2025 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 2 November 2025 - 08 h 00 (GMT - 7 h ) MST Year : 2026 Transition to daylight saving time on Sunday 8 March 2026 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 1 November 2026 - 08 h 00 (GMT - 7 h ) MST Year : 2027 Transition to daylight saving time on Sunday 14 March 2027 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 7 November 2027 - 08 h 00 (GMT - 7 h ) MST Year : 2028 Transition to daylight saving time on Sunday 12 March 2028 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 5 November 2028 - 08 h 00 (GMT - 7 h ) MST Year : 2029 Transition to daylight saving time on Sunday 11 March 2029 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 4 November 2029 - 08 h 00 (GMT - 7 h ) MST Year : 2030 Transition to daylight saving time on Sunday 10 March 2030 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 3 November 2030 - 08 h 00 (GMT - 7 h ) MST Year : 2031 Transition to daylight saving time on Sunday 9 March 2031 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 2 November 2031 - 08 h 00 (GMT - 7 h ) MST Year : 2032 Transition to daylight saving time on Sunday 14 March 2032 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 7 November 2032 - 08 h 00 (GMT - 7 h ) MST Year : 2033 Transition to daylight saving time on Sunday 13 March 2033 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 6 November 2033 - 08 h 00 (GMT - 7 h ) MST Year : 2034 Transition to daylight saving time on Sunday 12 March 2034 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 5 November 2034 - 08 h 00 (GMT - 7 h ) MST Year : 2035 Transition to daylight saving time on Sunday 11 March 2035 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 4 November 2035 - 08 h 00 (GMT - 7 h ) MST Year : 2036 Transition to daylight saving time on Sunday 9 March 2036 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 2 November 2036 - 08 h 00 (GMT - 7 h ) MST Year : 2037 Transition to daylight saving time on Sunday 8 March 2037 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 1 November 2037 - 08 h 00 (GMT - 7 h ) MST
Year : 1901 Back to standard time on Friday 13 December 1901 - 20 h 45 (GMT - 7 h ) MST Year : 1918 Transition to daylight saving time on Sunday 31 March 1918 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1918 - 08 h 00 (GMT - 7 h ) MST Year : 1919 Transition to daylight saving time on Sunday 30 March 1919 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1919 - 08 h 00 (GMT - 7 h ) MST Year : 1920 Transition to daylight saving time on Sunday 28 March 1920 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1920 - 08 h 00 (GMT - 7 h ) MST Year : 1921 Transition to daylight saving time on Sunday 27 March 1921 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 22 May 1921 - 08 h 00 (GMT - 7 h ) MST Year : 1942 Transition to daylight saving time on Monday 9 February 1942 - 09 h 00 (GMT - 6 h ) MWT Year : 1945 Transition to daylight saving time on Thuesday 14 August 1945 - 23 h 00 (GMT - 6 h ) MPT Back to standard time on Sunday 30 September 1945 - 08 h 00 (GMT - 7 h ) MST Year : 1965 Transition to daylight saving time on Sunday 25 April 1965 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1965 - 08 h 00 (GMT - 7 h ) MST Year : 1966 Transition to daylight saving time on Sunday 24 April 1966 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 1966 - 08 h 00 (GMT - 7 h ) MST Year : 1967 Transition to daylight saving time on Sunday 30 April 1967 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 1967 - 08 h 00 (GMT - 7 h ) MST Year : 1968 Transition to daylight saving time on Sunday 28 April 1968 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1968 - 08 h 00 (GMT - 7 h ) MST Year : 1969 Transition to daylight saving time on Sunday 27 April 1969 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1969 - 08 h 00 (GMT - 7 h ) MST Year : 1970 Transition to daylight saving time on Sunday 26 April 1970 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 25 October 1970 - 08 h 00 (GMT - 7 h ) MST Year : 1971 Transition to daylight saving time on Sunday 25 April 1971 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1971 - 08 h 00 (GMT - 7 h ) MST Year : 1972 Transition to daylight saving time on Sunday 30 April 1972 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 1972 - 08 h 00 (GMT - 7 h ) MST Year : 1973 Transition to daylight saving time on Sunday 29 April 1973 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 28 October 1973 - 08 h 00 (GMT - 7 h ) MST Year : 1974 Transition to daylight saving time on Sunday 6 January 1974 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1974 - 08 h 00 (GMT - 7 h ) MST Year : 1975 Transition to daylight saving time on Sunday 23 February 1975 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1975 - 08 h 00 (GMT - 7 h ) MST Year : 1976 Transition to daylight saving time on Sunday 25 April 1976 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1976 - 08 h 00 (GMT - 7 h ) MST Year : 1977 Transition to daylight saving time on Sunday 24 April 1977 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 1977 - 08 h 00 (GMT - 7 h ) MST Year : 1978 Transition to daylight saving time on Sunday 30 April 1978 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 1978 - 08 h 00 (GMT - 7 h ) MST Year : 1979 Transition to daylight saving time on Sunday 29 April 1979 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 28 October 1979 - 08 h 00 (GMT - 7 h ) MST Year : 1980 Transition to daylight saving time on Sunday 27 April 1980 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1980 - 08 h 00 (GMT - 7 h ) MST Year : 1981 Transition to daylight saving time on Sunday 26 April 1981 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 25 October 1981 - 08 h 00 (GMT - 7 h ) MST Year : 1982 Transition to daylight saving time on Sunday 25 April 1982 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1982 - 08 h 00 (GMT - 7 h ) MST Year : 1983 Transition to daylight saving time on Sunday 24 April 1983 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 1983 - 08 h 00 (GMT - 7 h ) MST Year : 1984 Transition to daylight saving time on Sunday 29 April 1984 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 28 October 1984 - 08 h 00 (GMT - 7 h ) MST Year : 1985 Transition to daylight saving time on Sunday 28 April 1985 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1985 - 08 h 00 (GMT - 7 h ) MST Year : 1986 Transition to daylight saving time on Sunday 27 April 1986 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1986 - 08 h 00 (GMT - 7 h ) MST Year : 1987 Transition to daylight saving time on Sunday 5 April 1987 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 25 October 1987 - 08 h 00 (GMT - 7 h ) MST Year : 1988 Transition to daylight saving time on Sunday 3 April 1988 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 1988 - 08 h 00 (GMT - 7 h ) MST Year : 1989 Transition to daylight saving time on Sunday 2 April 1989 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 1989 - 08 h 00 (GMT - 7 h ) MST Year : 1990 Transition to daylight saving time on Sunday 1 April 1990 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 28 October 1990 - 08 h 00 (GMT - 7 h ) MST Year : 1991 Transition to daylight saving time on Sunday 7 April 1991 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1991 - 08 h 00 (GMT - 7 h ) MST Year : 1992 Transition to daylight saving time on Sunday 5 April 1992 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 25 October 1992 - 08 h 00 (GMT - 7 h ) MST Year : 1993 Transition to daylight saving time on Sunday 4 April 1993 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1993 - 08 h 00 (GMT - 7 h ) MST Year : 1994 Transition to daylight saving time on Sunday 3 April 1994 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 1994 - 08 h 00 (GMT - 7 h ) MST Year : 1995 Transition to daylight saving time on Sunday 2 April 1995 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 1995 - 08 h 00 (GMT - 7 h ) MST Year : 1996 Transition to daylight saving time on Sunday 7 April 1996 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 1996 - 08 h 00 (GMT - 7 h ) MST Year : 1997 Transition to daylight saving time on Sunday 6 April 1997 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 1997 - 08 h 00 (GMT - 7 h ) MST Year : 1998 Transition to daylight saving time on Sunday 5 April 1998 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 25 October 1998 - 08 h 00 (GMT - 7 h ) MST Year : 1999 Transition to daylight saving time on Sunday 4 April 1999 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 1999 - 08 h 00 (GMT - 7 h ) MST Year : 2000 Transition to daylight saving time on Sunday 2 April 2000 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 2000 - 08 h 00 (GMT - 7 h ) MST Year : 2001 Transition to daylight saving time on Sunday 1 April 2001 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 28 October 2001 - 08 h 00 (GMT - 7 h ) MST Year : 2002 Transition to daylight saving time on Sunday 7 April 2002 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 27 October 2002 - 08 h 00 (GMT - 7 h ) MST Year : 2003 Transition to daylight saving time on Sunday 6 April 2003 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 26 October 2003 - 08 h 00 (GMT - 7 h ) MST Year : 2004 Transition to daylight saving time on Sunday 4 April 2004 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 31 October 2004 - 08 h 00 (GMT - 7 h ) MST Year : 2005 Transition to daylight saving time on Sunday 3 April 2005 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 30 October 2005 - 08 h 00 (GMT - 7 h ) MST Year : 2006 Transition to daylight saving time on Sunday 2 April 2006 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 29 October 2006 - 08 h 00 (GMT - 7 h ) MST Year : 2007 Transition to daylight saving time on Sunday 11 March 2007 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 4 November 2007 - 08 h 00 (GMT - 7 h ) MST Year : 2008 Transition to daylight saving time on Sunday 9 March 2008 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 2 November 2008 - 08 h 00 (GMT - 7 h ) MST Year : 2009 Transition to daylight saving time on Sunday 8 March 2009 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 1 November 2009 - 08 h 00 (GMT - 7 h ) MST Year : 2010 Transition to daylight saving time on Sunday 14 March 2010 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 7 November 2010 - 08 h 00 (GMT - 7 h ) MST Year : 2011 Transition to daylight saving time on Sunday 13 March 2011 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 6 November 2011 - 08 h 00 (GMT - 7 h ) MST Year : 2012 Transition to daylight saving time on Sunday 11 March 2012 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 4 November 2012 - 08 h 00 (GMT - 7 h ) MST Year : 2013 Transition to daylight saving time on Sunday 10 March 2013 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 3 November 2013 - 08 h 00 (GMT - 7 h ) MST Year : 2014 Transition to daylight saving time on Sunday 9 March 2014 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 2 November 2014 - 08 h 00 (GMT - 7 h ) MST Year : 2015 Transition to daylight saving time on Sunday 8 March 2015 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 1 November 2015 - 08 h 00 (GMT - 7 h ) MST Year : 2016 Transition to daylight saving time on Sunday 13 March 2016 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 6 November 2016 - 08 h 00 (GMT - 7 h ) MST Year : 2017 Transition to daylight saving time on Sunday 12 March 2017 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 5 November 2017 - 08 h 00 (GMT - 7 h ) MST Year : 2018 Transition to daylight saving time on Sunday 11 March 2018 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 4 November 2018 - 08 h 00 (GMT - 7 h ) MST Year : 2019 Transition to daylight saving time on Sunday 10 March 2019 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 3 November 2019 - 08 h 00 (GMT - 7 h ) MST Year : 2020 Transition to daylight saving time on Sunday 8 March 2020 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 1 November 2020 - 08 h 00 (GMT - 7 h ) MST Year : 2021 Transition to daylight saving time on Sunday 14 March 2021 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 7 November 2021 - 08 h 00 (GMT - 7 h ) MST Year : 2022 Transition to daylight saving time on Sunday 13 March 2022 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 6 November 2022 - 08 h 00 (GMT - 7 h ) MST Year : 2023 Transition to daylight saving time on Sunday 12 March 2023 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 5 November 2023 - 08 h 00 (GMT - 7 h ) MST Year : 2024 Transition to daylight saving time on Sunday 10 March 2024 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 3 November 2024 - 08 h 00 (GMT - 7 h ) MST Year : 2025 Transition to daylight saving time on Sunday 9 March 2025 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 2 November 2025 - 08 h 00 (GMT - 7 h ) MST Year : 2026 Transition to daylight saving time on Sunday 8 March 2026 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 1 November 2026 - 08 h 00 (GMT - 7 h ) MST Year : 2027 Transition to daylight saving time on Sunday 14 March 2027 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 7 November 2027 - 08 h 00 (GMT - 7 h ) MST Year : 2028 Transition to daylight saving time on Sunday 12 March 2028 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 5 November 2028 - 08 h 00 (GMT - 7 h ) MST Year : 2029 Transition to daylight saving time on Sunday 11 March 2029 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 4 November 2029 - 08 h 00 (GMT - 7 h ) MST Year : 2030 Transition to daylight saving time on Sunday 10 March 2030 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 3 November 2030 - 08 h 00 (GMT - 7 h ) MST Year : 2031 Transition to daylight saving time on Sunday 9 March 2031 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 2 November 2031 - 08 h 00 (GMT - 7 h ) MST Year : 2032 Transition to daylight saving time on Sunday 14 March 2032 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 7 November 2032 - 08 h 00 (GMT - 7 h ) MST Year : 2033 Transition to daylight saving time on Sunday 13 March 2033 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 6 November 2033 - 08 h 00 (GMT - 7 h ) MST Year : 2034 Transition to daylight saving time on Sunday 12 March 2034 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 5 November 2034 - 08 h 00 (GMT - 7 h ) MST Year : 2035 Transition to daylight saving time on Sunday 11 March 2035 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 4 November 2035 - 08 h 00 (GMT - 7 h ) MST Year : 2036 Transition to daylight saving time on Sunday 9 March 2036 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 2 November 2036 - 08 h 00 (GMT - 7 h ) MST Year : 2037 Transition to daylight saving time on Sunday 8 March 2037 - 09 h 00 (GMT - 6 h ) MDT Back to standard time on Sunday 1 November 2037 - 08 h 00 (GMT - 7 h ) MST