History of daylight savings time for : San Luis Potosí (Mexico) Year : 1901 Back to standard time on Friday 13 December 1901 - 20 h 45 (GMT - 6 h 36.6) LMT Year : 1922 Back to standard time on Sunday 1 January 1922 - 07 h 00 (GMT - 7 h ) MST Year : 1927 Back to standard time on Saturday 11 June 1927 - 06 h 00 (GMT - 6 h ) CST Year : 1930 Back to standard time on Saturday 15 November 1930 - 06 h 00 (GMT - 7 h ) MST Year : 1931 Back to standard time on Saturday 2 May 1931 - 06 h 00 (GMT - 6 h ) CST Back to standard time on Thursday 1 October 1931 - 06 h 00 (GMT - 7 h ) MST Year : 1932 Back to standard time on Friday 1 April 1932 - 07 h 00 (GMT - 6 h ) CST Year : 1939 Transition to daylight saving time on Sunday 5 February 1939 - 06 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 June 1939 - 05 h 00 (GMT - 6 h ) CST Year : 1940 Transition to daylight saving time on Monday 9 December 1940 - 06 h 00 (GMT - 5 h ) CDT Year : 1941 Back to standard time on Thuesday 1 April 1941 - 05 h 00 (GMT - 6 h ) CST Year : 1943 Transition to daylight saving time on Thursday 16 December 1943 - 06 h 00 (GMT - 5 h ) CWT Year : 1944 Back to standard time on Monday 1 May 1944 - 05 h 00 (GMT - 6 h ) CST Year : 1950 Transition to daylight saving time on Sunday 12 February 1950 - 06 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 July 1950 - 05 h 00 (GMT - 6 h ) CST Year : 1996 Transition to daylight saving time on Sunday 7 April 1996 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 1996 - 07 h 00 (GMT - 6 h ) CST Year : 1997 Transition to daylight saving time on Sunday 6 April 1997 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 1997 - 07 h 00 (GMT - 6 h ) CST Year : 1998 Transition to daylight saving time on Sunday 5 April 1998 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 1998 - 07 h 00 (GMT - 6 h ) CST Year : 1999 Transition to daylight saving time on Sunday 4 April 1999 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 1999 - 07 h 00 (GMT - 6 h ) CST Year : 2000 Transition to daylight saving time on Sunday 2 April 2000 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2000 - 07 h 00 (GMT - 6 h ) CST Year : 2001 Transition to daylight saving time on Sunday 6 May 2001 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 September 2001 - 07 h 00 (GMT - 6 h ) CST Year : 2002 Transition to daylight saving time on Sunday 7 April 2002 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 2002 - 07 h 00 (GMT - 6 h ) CST Year : 2003 Transition to daylight saving time on Sunday 6 April 2003 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2003 - 07 h 00 (GMT - 6 h ) CST Year : 2004 Transition to daylight saving time on Sunday 4 April 2004 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 2004 - 07 h 00 (GMT - 6 h ) CST Year : 2005 Transition to daylight saving time on Sunday 3 April 2005 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 October 2005 - 07 h 00 (GMT - 6 h ) CST Year : 2006 Transition to daylight saving time on Sunday 2 April 2006 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2006 - 07 h 00 (GMT - 6 h ) CST Year : 2007 Transition to daylight saving time on Sunday 1 April 2007 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 28 October 2007 - 07 h 00 (GMT - 6 h ) CST Year : 2008 Transition to daylight saving time on Sunday 6 April 2008 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2008 - 07 h 00 (GMT - 6 h ) CST Year : 2009 Transition to daylight saving time on Sunday 5 April 2009 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 2009 - 07 h 00 (GMT - 6 h ) CST Year : 2010 Transition to daylight saving time on Sunday 4 April 2010 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 2010 - 07 h 00 (GMT - 6 h ) CST Year : 2011 Transition to daylight saving time on Sunday 3 April 2011 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 October 2011 - 07 h 00 (GMT - 6 h ) CST Year : 2012 Transition to daylight saving time on Sunday 1 April 2012 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 28 October 2012 - 07 h 00 (GMT - 6 h ) CST Year : 2013 Transition to daylight saving time on Sunday 7 April 2013 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 2013 - 07 h 00 (GMT - 6 h ) CST Year : 2014 Transition to daylight saving time on Sunday 6 April 2014 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2014 - 07 h 00 (GMT - 6 h ) CST Year : 2015 Transition to daylight saving time on Sunday 5 April 2015 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 2015 - 07 h 00 (GMT - 6 h ) CST Year : 2016 Transition to daylight saving time on Sunday 3 April 2016 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 October 2016 - 07 h 00 (GMT - 6 h ) CST Year : 2017 Transition to daylight saving time on Sunday 2 April 2017 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2017 - 07 h 00 (GMT - 6 h ) CST Year : 2018 Transition to daylight saving time on Sunday 1 April 2018 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 28 October 2018 - 07 h 00 (GMT - 6 h ) CST Year : 2019 Transition to daylight saving time on Sunday 7 April 2019 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 2019 - 07 h 00 (GMT - 6 h ) CST Year : 2020 Transition to daylight saving time on Sunday 5 April 2020 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 2020 - 07 h 00 (GMT - 6 h ) CST Year : 2021 Transition to daylight saving time on Sunday 4 April 2021 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 2021 - 07 h 00 (GMT - 6 h ) CST Year : 2022 Transition to daylight saving time on Sunday 3 April 2022 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 October 2022 - 07 h 00 (GMT - 6 h ) CST Year : 2023 Transition to daylight saving time on Sunday 2 April 2023 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2023 - 07 h 00 (GMT - 6 h ) CST Year : 2024 Transition to daylight saving time on Sunday 7 April 2024 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 2024 - 07 h 00 (GMT - 6 h ) CST Year : 2025 Transition to daylight saving time on Sunday 6 April 2025 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2025 - 07 h 00 (GMT - 6 h ) CST Year : 2026 Transition to daylight saving time on Sunday 5 April 2026 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 2026 - 07 h 00 (GMT - 6 h ) CST Year : 2027 Transition to daylight saving time on Sunday 4 April 2027 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 2027 - 07 h 00 (GMT - 6 h ) CST Year : 2028 Transition to daylight saving time on Sunday 2 April 2028 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2028 - 07 h 00 (GMT - 6 h ) CST Year : 2029 Transition to daylight saving time on Sunday 1 April 2029 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 28 October 2029 - 07 h 00 (GMT - 6 h ) CST Year : 2030 Transition to daylight saving time on Sunday 7 April 2030 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 2030 - 07 h 00 (GMT - 6 h ) CST Year : 2031 Transition to daylight saving time on Sunday 6 April 2031 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2031 - 07 h 00 (GMT - 6 h ) CST Year : 2032 Transition to daylight saving time on Sunday 4 April 2032 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 2032 - 07 h 00 (GMT - 6 h ) CST Year : 2033 Transition to daylight saving time on Sunday 3 April 2033 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 October 2033 - 07 h 00 (GMT - 6 h ) CST Year : 2034 Transition to daylight saving time on Sunday 2 April 2034 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2034 - 07 h 00 (GMT - 6 h ) CST Year : 2035 Transition to daylight saving time on Sunday 1 April 2035 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 28 October 2035 - 07 h 00 (GMT - 6 h ) CST Year : 2036 Transition to daylight saving time on Sunday 6 April 2036 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2036 - 07 h 00 (GMT - 6 h ) CST Year : 2037 Transition to daylight saving time on Sunday 5 April 2037 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 2037 - 07 h 00 (GMT - 6 h ) CST
Year : 1901 Back to standard time on Friday 13 December 1901 - 20 h 45 (GMT - 6 h 36.6) LMT Year : 1922 Back to standard time on Sunday 1 January 1922 - 07 h 00 (GMT - 7 h ) MST Year : 1927 Back to standard time on Saturday 11 June 1927 - 06 h 00 (GMT - 6 h ) CST Year : 1930 Back to standard time on Saturday 15 November 1930 - 06 h 00 (GMT - 7 h ) MST Year : 1931 Back to standard time on Saturday 2 May 1931 - 06 h 00 (GMT - 6 h ) CST Back to standard time on Thursday 1 October 1931 - 06 h 00 (GMT - 7 h ) MST Year : 1932 Back to standard time on Friday 1 April 1932 - 07 h 00 (GMT - 6 h ) CST Year : 1939 Transition to daylight saving time on Sunday 5 February 1939 - 06 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 June 1939 - 05 h 00 (GMT - 6 h ) CST Year : 1940 Transition to daylight saving time on Monday 9 December 1940 - 06 h 00 (GMT - 5 h ) CDT Year : 1941 Back to standard time on Thuesday 1 April 1941 - 05 h 00 (GMT - 6 h ) CST Year : 1943 Transition to daylight saving time on Thursday 16 December 1943 - 06 h 00 (GMT - 5 h ) CWT Year : 1944 Back to standard time on Monday 1 May 1944 - 05 h 00 (GMT - 6 h ) CST Year : 1950 Transition to daylight saving time on Sunday 12 February 1950 - 06 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 July 1950 - 05 h 00 (GMT - 6 h ) CST Year : 1996 Transition to daylight saving time on Sunday 7 April 1996 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 1996 - 07 h 00 (GMT - 6 h ) CST Year : 1997 Transition to daylight saving time on Sunday 6 April 1997 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 1997 - 07 h 00 (GMT - 6 h ) CST Year : 1998 Transition to daylight saving time on Sunday 5 April 1998 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 1998 - 07 h 00 (GMT - 6 h ) CST Year : 1999 Transition to daylight saving time on Sunday 4 April 1999 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 1999 - 07 h 00 (GMT - 6 h ) CST Year : 2000 Transition to daylight saving time on Sunday 2 April 2000 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2000 - 07 h 00 (GMT - 6 h ) CST Year : 2001 Transition to daylight saving time on Sunday 6 May 2001 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 September 2001 - 07 h 00 (GMT - 6 h ) CST Year : 2002 Transition to daylight saving time on Sunday 7 April 2002 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 2002 - 07 h 00 (GMT - 6 h ) CST Year : 2003 Transition to daylight saving time on Sunday 6 April 2003 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2003 - 07 h 00 (GMT - 6 h ) CST Year : 2004 Transition to daylight saving time on Sunday 4 April 2004 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 2004 - 07 h 00 (GMT - 6 h ) CST Year : 2005 Transition to daylight saving time on Sunday 3 April 2005 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 October 2005 - 07 h 00 (GMT - 6 h ) CST Year : 2006 Transition to daylight saving time on Sunday 2 April 2006 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2006 - 07 h 00 (GMT - 6 h ) CST Year : 2007 Transition to daylight saving time on Sunday 1 April 2007 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 28 October 2007 - 07 h 00 (GMT - 6 h ) CST Year : 2008 Transition to daylight saving time on Sunday 6 April 2008 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2008 - 07 h 00 (GMT - 6 h ) CST Year : 2009 Transition to daylight saving time on Sunday 5 April 2009 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 2009 - 07 h 00 (GMT - 6 h ) CST Year : 2010 Transition to daylight saving time on Sunday 4 April 2010 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 2010 - 07 h 00 (GMT - 6 h ) CST Year : 2011 Transition to daylight saving time on Sunday 3 April 2011 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 October 2011 - 07 h 00 (GMT - 6 h ) CST Year : 2012 Transition to daylight saving time on Sunday 1 April 2012 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 28 October 2012 - 07 h 00 (GMT - 6 h ) CST Year : 2013 Transition to daylight saving time on Sunday 7 April 2013 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 2013 - 07 h 00 (GMT - 6 h ) CST Year : 2014 Transition to daylight saving time on Sunday 6 April 2014 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2014 - 07 h 00 (GMT - 6 h ) CST Year : 2015 Transition to daylight saving time on Sunday 5 April 2015 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 2015 - 07 h 00 (GMT - 6 h ) CST Year : 2016 Transition to daylight saving time on Sunday 3 April 2016 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 October 2016 - 07 h 00 (GMT - 6 h ) CST Year : 2017 Transition to daylight saving time on Sunday 2 April 2017 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2017 - 07 h 00 (GMT - 6 h ) CST Year : 2018 Transition to daylight saving time on Sunday 1 April 2018 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 28 October 2018 - 07 h 00 (GMT - 6 h ) CST Year : 2019 Transition to daylight saving time on Sunday 7 April 2019 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 2019 - 07 h 00 (GMT - 6 h ) CST Year : 2020 Transition to daylight saving time on Sunday 5 April 2020 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 2020 - 07 h 00 (GMT - 6 h ) CST Year : 2021 Transition to daylight saving time on Sunday 4 April 2021 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 2021 - 07 h 00 (GMT - 6 h ) CST Year : 2022 Transition to daylight saving time on Sunday 3 April 2022 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 October 2022 - 07 h 00 (GMT - 6 h ) CST Year : 2023 Transition to daylight saving time on Sunday 2 April 2023 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2023 - 07 h 00 (GMT - 6 h ) CST Year : 2024 Transition to daylight saving time on Sunday 7 April 2024 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 2024 - 07 h 00 (GMT - 6 h ) CST Year : 2025 Transition to daylight saving time on Sunday 6 April 2025 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2025 - 07 h 00 (GMT - 6 h ) CST Year : 2026 Transition to daylight saving time on Sunday 5 April 2026 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 2026 - 07 h 00 (GMT - 6 h ) CST Year : 2027 Transition to daylight saving time on Sunday 4 April 2027 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 2027 - 07 h 00 (GMT - 6 h ) CST Year : 2028 Transition to daylight saving time on Sunday 2 April 2028 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2028 - 07 h 00 (GMT - 6 h ) CST Year : 2029 Transition to daylight saving time on Sunday 1 April 2029 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 28 October 2029 - 07 h 00 (GMT - 6 h ) CST Year : 2030 Transition to daylight saving time on Sunday 7 April 2030 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 27 October 2030 - 07 h 00 (GMT - 6 h ) CST Year : 2031 Transition to daylight saving time on Sunday 6 April 2031 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2031 - 07 h 00 (GMT - 6 h ) CST Year : 2032 Transition to daylight saving time on Sunday 4 April 2032 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 31 October 2032 - 07 h 00 (GMT - 6 h ) CST Year : 2033 Transition to daylight saving time on Sunday 3 April 2033 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 30 October 2033 - 07 h 00 (GMT - 6 h ) CST Year : 2034 Transition to daylight saving time on Sunday 2 April 2034 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 29 October 2034 - 07 h 00 (GMT - 6 h ) CST Year : 2035 Transition to daylight saving time on Sunday 1 April 2035 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 28 October 2035 - 07 h 00 (GMT - 6 h ) CST Year : 2036 Transition to daylight saving time on Sunday 6 April 2036 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 26 October 2036 - 07 h 00 (GMT - 6 h ) CST Year : 2037 Transition to daylight saving time on Sunday 5 April 2037 - 08 h 00 (GMT - 5 h ) CDT Back to standard time on Sunday 25 October 2037 - 07 h 00 (GMT - 6 h ) CST