| Year : 1925 |
|---|
| Back to standard time on Sunday 19 July 1925 - 17 h 29 (GMT - 5 h ) CST |
| Year : 1928 |
|---|
| Transition to daylight saving time on Sunday 10 June 1928 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Wednesday 10 October 1928 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1940 |
|---|
| Transition to daylight saving time on Sunday 2 June 1940 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 1 September 1940 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1941 |
|---|
| Transition to daylight saving time on Sunday 1 June 1941 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 7 September 1941 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1942 |
|---|
| Transition to daylight saving time on Sunday 7 June 1942 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 6 September 1942 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1945 |
|---|
| Transition to daylight saving time on Sunday 3 June 1945 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 2 September 1945 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1946 |
|---|
| Transition to daylight saving time on Sunday 2 June 1946 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 1 September 1946 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1965 |
|---|
| Transition to daylight saving time on Thuesday 1 June 1965 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Thursday 30 September 1965 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1966 |
|---|
| Transition to daylight saving time on Sunday 29 May 1966 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 2 October 1966 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1967 |
|---|
| Transition to daylight saving time on Saturday 8 April 1967 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 10 September 1967 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1968 |
|---|
| Transition to daylight saving time on Sunday 14 April 1968 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 8 September 1968 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1969 |
|---|
| Transition to daylight saving time on Sunday 27 April 1969 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 26 October 1969 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1970 |
|---|
| Transition to daylight saving time on Sunday 26 April 1970 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 25 October 1970 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1971 |
|---|
| Transition to daylight saving time on Sunday 25 April 1971 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 31 October 1971 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1972 |
|---|
| Transition to daylight saving time on Sunday 30 April 1972 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 8 October 1972 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1973 |
|---|
| Transition to daylight saving time on Sunday 29 April 1973 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Monday 8 October 1973 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1974 |
|---|
| Transition to daylight saving time on Sunday 28 April 1974 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Thuesday 8 October 1974 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1975 |
|---|
| Transition to daylight saving time on Sunday 27 April 1975 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 26 October 1975 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1976 |
|---|
| Transition to daylight saving time on Sunday 25 April 1976 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 31 October 1976 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1977 |
|---|
| Transition to daylight saving time on Sunday 24 April 1977 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 30 October 1977 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1978 |
|---|
| Transition to daylight saving time on Sunday 7 May 1978 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 8 October 1978 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1979 |
|---|
| Transition to daylight saving time on Sunday 18 March 1979 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 14 October 1979 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1980 |
|---|
| Transition to daylight saving time on Sunday 16 March 1980 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 12 October 1980 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1981 |
|---|
| Transition to daylight saving time on Sunday 10 May 1981 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 11 October 1981 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1982 |
|---|
| Transition to daylight saving time on Sunday 9 May 1982 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 10 October 1982 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1983 |
|---|
| Transition to daylight saving time on Sunday 8 May 1983 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 9 October 1983 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1984 |
|---|
| Transition to daylight saving time on Sunday 6 May 1984 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 14 October 1984 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1985 |
|---|
| Transition to daylight saving time on Sunday 5 May 1985 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 13 October 1985 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1986 |
|---|
| Transition to daylight saving time on Sunday 16 March 1986 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 12 October 1986 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1987 |
|---|
| Transition to daylight saving time on Sunday 15 March 1987 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 11 October 1987 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1988 |
|---|
| Transition to daylight saving time on Sunday 20 March 1988 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 9 October 1988 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1989 |
|---|
| Transition to daylight saving time on Sunday 19 March 1989 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 8 October 1989 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1990 |
|---|
| Transition to daylight saving time on Sunday 1 April 1990 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 14 October 1990 - 04 h 00 (GMT - 5 h ) CST |
| Year : 1991 |
|---|
| Transition to daylight saving time on Sunday 7 April 1991 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 13 October 1991 - 05 h 00 (GMT - 5 h ) CST |
| Year : 1992 |
|---|
| Transition to daylight saving time on Sunday 5 April 1992 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 11 October 1992 - 05 h 00 (GMT - 5 h ) CST |
| Year : 1993 |
|---|
| Transition to daylight saving time on Sunday 4 April 1993 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 10 October 1993 - 05 h 00 (GMT - 5 h ) CST |
| Year : 1994 |
|---|
| Transition to daylight saving time on Sunday 3 April 1994 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 9 October 1994 - 05 h 00 (GMT - 5 h ) CST |
| Year : 1995 |
|---|
| Transition to daylight saving time on Sunday 2 April 1995 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 8 October 1995 - 05 h 00 (GMT - 5 h ) CST |
| Year : 1996 |
|---|
| Transition to daylight saving time on Sunday 7 April 1996 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 6 October 1996 - 05 h 00 (GMT - 5 h ) CST |
| Year : 1997 |
|---|
| Transition to daylight saving time on Sunday 6 April 1997 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 12 October 1997 - 05 h 00 (GMT - 5 h ) CST |
| Year : 1998 |
|---|
| Transition to daylight saving time on Sunday 29 March 1998 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 25 October 1998 - 05 h 00 (GMT - 5 h ) CST |
| Year : 1999 |
|---|
| Transition to daylight saving time on Sunday 28 March 1999 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 31 October 1999 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2000 |
|---|
| Transition to daylight saving time on Sunday 2 April 2000 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 29 October 2000 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2001 |
|---|
| Transition to daylight saving time on Sunday 1 April 2001 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 28 October 2001 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2002 |
|---|
| Transition to daylight saving time on Sunday 7 April 2002 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 27 October 2002 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2003 |
|---|
| Transition to daylight saving time on Sunday 6 April 2003 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 26 October 2003 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2004 |
|---|
| Transition to daylight saving time on Sunday 4 April 2004 - 05 h 00 (GMT - 4 h ) CDT |
| Year : 2006 |
|---|
| Back to standard time on Sunday 29 October 2006 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2007 |
|---|
| Transition to daylight saving time on Sunday 11 March 2007 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 28 October 2007 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2008 |
|---|
| Transition to daylight saving time on Sunday 16 March 2008 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 26 October 2008 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2009 |
|---|
| Transition to daylight saving time on Sunday 8 March 2009 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 25 October 2009 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2010 |
|---|
| Transition to daylight saving time on Sunday 14 March 2010 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 31 October 2010 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2011 |
|---|
| Transition to daylight saving time on Sunday 20 March 2011 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 13 November 2011 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2012 |
|---|
| Transition to daylight saving time on Sunday 1 April 2012 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 4 November 2012 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2013 |
|---|
| Transition to daylight saving time on Sunday 10 March 2013 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 3 November 2013 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2014 |
|---|
| Transition to daylight saving time on Sunday 9 March 2014 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 2 November 2014 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2015 |
|---|
| Transition to daylight saving time on Sunday 8 March 2015 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 1 November 2015 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2016 |
|---|
| Transition to daylight saving time on Sunday 13 March 2016 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 6 November 2016 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2017 |
|---|
| Transition to daylight saving time on Sunday 12 March 2017 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 5 November 2017 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2018 |
|---|
| Transition to daylight saving time on Sunday 11 March 2018 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 4 November 2018 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2019 |
|---|
| Transition to daylight saving time on Sunday 10 March 2019 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 3 November 2019 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2020 |
|---|
| Transition to daylight saving time on Sunday 8 March 2020 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 1 November 2020 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2021 |
|---|
| Transition to daylight saving time on Sunday 14 March 2021 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 7 November 2021 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2022 |
|---|
| Transition to daylight saving time on Sunday 13 March 2022 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 6 November 2022 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2023 |
|---|
| Transition to daylight saving time on Sunday 12 March 2023 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 5 November 2023 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2024 |
|---|
| Transition to daylight saving time on Sunday 10 March 2024 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 3 November 2024 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2025 |
|---|
| Transition to daylight saving time on Sunday 9 March 2025 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 2 November 2025 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2026 |
|---|
| Transition to daylight saving time on Sunday 8 March 2026 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 1 November 2026 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2027 |
|---|
| Transition to daylight saving time on Sunday 14 March 2027 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 7 November 2027 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2028 |
|---|
| Transition to daylight saving time on Sunday 12 March 2028 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 5 November 2028 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2029 |
|---|
| Transition to daylight saving time on Sunday 11 March 2029 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 4 November 2029 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2030 |
|---|
| Transition to daylight saving time on Sunday 10 March 2030 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 3 November 2030 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2031 |
|---|
| Transition to daylight saving time on Sunday 9 March 2031 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 2 November 2031 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2032 |
|---|
| Transition to daylight saving time on Sunday 14 March 2032 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 7 November 2032 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2033 |
|---|
| Transition to daylight saving time on Sunday 13 March 2033 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 6 November 2033 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2034 |
|---|
| Transition to daylight saving time on Sunday 12 March 2034 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 5 November 2034 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2035 |
|---|
| Transition to daylight saving time on Sunday 11 March 2035 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 4 November 2035 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2036 |
|---|
| Transition to daylight saving time on Sunday 9 March 2036 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 2 November 2036 - 05 h 00 (GMT - 5 h ) CST |
| Year : 2037 |
|---|
| Transition to daylight saving time on Sunday 8 March 2037 - 05 h 00 (GMT - 4 h ) CDT |
| Back to standard time on Sunday 1 November 2037 - 05 h 00 (GMT - 5 h ) CST |