| Year : 1914 |
| Back to standard time on Thursday 1 January 1914 - 03 h 06 (GMT - 3 h ) BRT |
| Year : 1931 |
| Transition to daylight saving time on Saturday 3 October 1931 - 14 h 00 (GMT - 2 h ) BRST |
| Year : 1932 |
| Back to standard time on Friday 1 April 1932 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Monday 3 October 1932 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1933 |
| Back to standard time on Saturday 1 April 1933 - 02 h 00 (GMT - 3 h ) BRT |
| Year : 1949 |
| Transition to daylight saving time on Thursday 1 December 1949 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1950 |
| Back to standard time on Sunday 16 April 1950 - 03 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Friday 1 December 1950 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1951 |
| Back to standard time on Sunday 1 April 1951 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Saturday 1 December 1951 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1952 |
| Back to standard time on Thuesday 1 April 1952 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Monday 1 December 1952 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1953 |
| Back to standard time on Sunday 1 March 1953 - 02 h 00 (GMT - 3 h ) BRT |
| Year : 1963 |
| Transition to daylight saving time on Wednesday 23 October 1963 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1964 |
| Back to standard time on Sunday 1 March 1964 - 02 h 00 (GMT - 3 h ) BRT |
| Year : 1965 |
| Transition to daylight saving time on Sunday 31 January 1965 - 03 h 00 (GMT - 2 h ) BRST |
| Back to standard time on Wednesday 31 March 1965 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Wednesday 1 December 1965 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1966 |
| Back to standard time on Thuesday 1 March 1966 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Thuesday 1 November 1966 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1967 |
| Back to standard time on Wednesday 1 March 1967 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Wednesday 1 November 1967 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1968 |
| Back to standard time on Friday 1 March 1968 - 02 h 00 (GMT - 3 h ) BRT |
| Year : 1985 |
| Transition to daylight saving time on Saturday 2 November 1985 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1986 |
| Back to standard time on Saturday 15 March 1986 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Saturday 25 October 1986 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1987 |
| Back to standard time on Saturday 14 February 1987 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 25 October 1987 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1988 |
| Back to standard time on Sunday 7 February 1988 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 16 October 1988 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1989 |
| Back to standard time on Sunday 29 January 1989 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 15 October 1989 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1990 |
| Back to standard time on Sunday 11 February 1990 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 21 October 1990 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1991 |
| Back to standard time on Sunday 17 February 1991 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 20 October 1991 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1992 |
| Back to standard time on Sunday 9 February 1992 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 25 October 1992 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1993 |
| Back to standard time on Sunday 31 January 1993 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 17 October 1993 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1994 |
| Back to standard time on Sunday 20 February 1994 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 16 October 1994 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1995 |
| Back to standard time on Sunday 19 February 1995 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 15 October 1995 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1996 |
| Back to standard time on Sunday 11 February 1996 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 6 October 1996 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1997 |
| Back to standard time on Sunday 16 February 1997 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Monday 6 October 1997 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1998 |
| Back to standard time on Sunday 1 March 1998 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 11 October 1998 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 1999 |
| Back to standard time on Sunday 21 February 1999 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 3 October 1999 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2000 |
| Back to standard time on Sunday 27 February 2000 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 8 October 2000 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2001 |
| Back to standard time on Sunday 18 February 2001 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 14 October 2001 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2002 |
| Back to standard time on Sunday 17 February 2002 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 3 November 2002 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2003 |
| Back to standard time on Sunday 16 February 2003 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 19 October 2003 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2004 |
| Back to standard time on Sunday 15 February 2004 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Thuesday 2 November 2004 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2005 |
| Back to standard time on Sunday 20 February 2005 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 16 October 2005 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2006 |
| Back to standard time on Sunday 19 February 2006 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 5 November 2006 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2007 |
| Back to standard time on Sunday 25 February 2007 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 14 October 2007 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2008 |
| Back to standard time on Sunday 17 February 2008 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 19 October 2008 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2009 |
| Back to standard time on Sunday 15 February 2009 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 18 October 2009 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2010 |
| Back to standard time on Sunday 21 February 2010 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 17 October 2010 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2011 |
| Back to standard time on Sunday 20 February 2011 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 16 October 2011 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2012 |
| Back to standard time on Sunday 26 February 2012 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 21 October 2012 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2013 |
| Back to standard time on Sunday 17 February 2013 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 20 October 2013 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2014 |
| Back to standard time on Sunday 16 February 2014 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 19 October 2014 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2015 |
| Back to standard time on Sunday 22 February 2015 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 18 October 2015 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2016 |
| Back to standard time on Sunday 21 February 2016 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 16 October 2016 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2017 |
| Back to standard time on Sunday 19 February 2017 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 15 October 2017 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2018 |
| Back to standard time on Sunday 18 February 2018 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 21 October 2018 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2019 |
| Back to standard time on Sunday 17 February 2019 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 20 October 2019 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2020 |
| Back to standard time on Sunday 16 February 2020 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 18 October 2020 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2021 |
| Back to standard time on Sunday 21 February 2021 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 17 October 2021 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2022 |
| Back to standard time on Sunday 20 February 2022 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 16 October 2022 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2023 |
| Back to standard time on Sunday 26 February 2023 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 15 October 2023 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2024 |
| Back to standard time on Sunday 18 February 2024 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 20 October 2024 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2025 |
| Back to standard time on Sunday 16 February 2025 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 19 October 2025 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2026 |
| Back to standard time on Sunday 22 February 2026 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 18 October 2026 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2027 |
| Back to standard time on Sunday 21 February 2027 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 17 October 2027 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2028 |
| Back to standard time on Sunday 20 February 2028 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 15 October 2028 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2029 |
| Back to standard time on Sunday 18 February 2029 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 21 October 2029 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2030 |
| Back to standard time on Sunday 17 February 2030 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 20 October 2030 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2031 |
| Back to standard time on Sunday 16 February 2031 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 19 October 2031 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2032 |
| Back to standard time on Sunday 15 February 2032 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 17 October 2032 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2033 |
| Back to standard time on Sunday 20 February 2033 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 16 October 2033 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2034 |
| Back to standard time on Sunday 26 February 2034 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 15 October 2034 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2035 |
| Back to standard time on Sunday 18 February 2035 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 21 October 2035 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2036 |
| Back to standard time on Sunday 17 February 2036 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 19 October 2036 - 03 h 00 (GMT - 2 h ) BRST |
| Year : 2037 |
| Back to standard time on Sunday 22 February 2037 - 02 h 00 (GMT - 3 h ) BRT |
| Transition to daylight saving time on Sunday 18 October 2037 - 03 h 00 (GMT - 2 h ) BRST |