| Rule Arg 1930 only - Dec 1 0:00 1:00 S | |
| Rule Arg 1931 only - Apr 1 0:00 0 - | |
| Rule Arg 1931 only - Oct 15 0:00 1:00 S | |
| Rule Arg 1932 1940 - Mar 1 0:00 0 - | |
| Rule Arg 1932 1939 - Nov 1 0:00 1:00 S | |
| Rule Arg 1940 only - Jul 1 0:00 1:00 S | |
| Rule Arg 1941 only - Jun 15 0:00 0 - | |
| Rule Arg 1941 only - Oct 15 0:00 1:00 S | |
| Rule Arg 1943 only - Aug 1 0:00 0 - | |
| Rule Arg 1943 only - Oct 15 0:00 1:00 S | |
| Rule Arg 1946 only - Mar 1 0:00 0 - | |
| Rule Arg 1946 only - Oct 1 0:00 1:00 S | |
| Rule Arg 1963 only - Oct 1 0:00 0 - | |
| Rule Arg 1963 only - Dec 15 0:00 1:00 S | |
| Rule Arg 1964 1966 - Mar 1 0:00 0 - | |
| Rule Arg 1964 1966 - Oct 15 0:00 1:00 S | |
| Rule Arg 1967 only - Apr 2 0:00 0 - | |
| Rule Arg 1967 1968 - Oct Sun>=1 0:00 1:00 S | |
| Rule Arg 1968 1969 - Apr Sun>=1 0:00 0 - | |
| Rule Arg 1974 only - Jan 23 0:00 1:00 S | |
| Rule Arg 1974 only - May 1 0:00 0 - | |
| Rule Arg 1988 only - Dec 1 0:00 1:00 S | |
| Rule Arg 1989 1993 - Mar Sun>=1 0:00 0 - | |
| Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S | |
| Rule Arg 1999 only - Oct Sun>=1 0:00 1:00 S | |
| Rule Arg 2000 only - Mar 3 0:00 0 - | |
| Rule Arg 2007 only - Dec 30 0:00 1:00 S | |
| Rule Arg 2008 2009 - Mar Sun>=15 0:00 0 - | |
| Rule Arg 2008 only - Oct Sun>=15 0:00 1:00 S | |
| Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May # Cordoba Mean Time | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1999 Oct 3 | |
| -4:00 Arg AR%sT 2000 Mar 3 | |
| -3:00 Arg AR%sT | |
| Zone America/Argentina/Cordoba -4:16:48 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1991 Mar 3 | |
| -4:00 - WART 1991 Oct 20 | |
| -3:00 Arg AR%sT 1999 Oct 3 | |
| -4:00 Arg AR%sT 2000 Mar 3 | |
| -3:00 Arg AR%sT | |
| Zone America/Argentina/Salta -4:21:40 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1991 Mar 3 | |
| -4:00 - WART 1991 Oct 20 | |
| -3:00 Arg AR%sT 1999 Oct 3 | |
| -4:00 Arg AR%sT 2000 Mar 3 | |
| -3:00 Arg AR%sT 2008 Oct 18 | |
| -3:00 - ART | |
| Zone America/Argentina/Tucuman -4:20:52 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1991 Mar 3 | |
| -4:00 - WART 1991 Oct 20 | |
| -3:00 Arg AR%sT 1999 Oct 3 | |
| -4:00 Arg AR%sT 2000 Mar 3 | |
| -3:00 - ART 2004 Jun 1 | |
| -4:00 - WART 2004 Jun 13 | |
| -3:00 Arg AR%sT | |
| Zone America/Argentina/La_Rioja -4:27:24 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1991 Mar 1 | |
| -4:00 - WART 1991 May 7 | |
| -3:00 Arg AR%sT 1999 Oct 3 | |
| -4:00 Arg AR%sT 2000 Mar 3 | |
| -3:00 - ART 2004 Jun 1 | |
| -4:00 - WART 2004 Jun 20 | |
| -3:00 Arg AR%sT 2008 Oct 18 | |
| -3:00 - ART | |
| Zone America/Argentina/San_Juan -4:34:04 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1991 Mar 1 | |
| -4:00 - WART 1991 May 7 | |
| -3:00 Arg AR%sT 1999 Oct 3 | |
| -4:00 Arg AR%sT 2000 Mar 3 | |
| -3:00 - ART 2004 May 31 | |
| -4:00 - WART 2004 Jul 25 | |
| -3:00 Arg AR%sT 2008 Oct 18 | |
| -3:00 - ART | |
| Zone America/Argentina/Jujuy -4:21:12 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1990 Mar 4 | |
| -4:00 - WART 1990 Oct 28 | |
| -4:00 1:00 WARST 1991 Mar 17 | |
| -4:00 - WART 1991 Oct 6 | |
| -3:00 1:00 ARST 1992 | |
| -3:00 Arg AR%sT 1999 Oct 3 | |
| -4:00 Arg AR%sT 2000 Mar 3 | |
| -3:00 Arg AR%sT 2008 Oct 18 | |
| -3:00 - ART | |
| Zone America/Argentina/Catamarca -4:23:08 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1991 Mar 3 | |
| -4:00 - WART 1991 Oct 20 | |
| -3:00 Arg AR%sT 1999 Oct 3 | |
| -4:00 Arg AR%sT 2000 Mar 3 | |
| -3:00 - ART 2004 Jun 1 | |
| -4:00 - WART 2004 Jun 20 | |
| -3:00 Arg AR%sT 2008 Oct 18 | |
| -3:00 - ART | |
| Zone America/Argentina/Mendoza -4:35:16 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1990 Mar 4 | |
| -4:00 - WART 1990 Oct 15 | |
| -4:00 1:00 WARST 1991 Mar 1 | |
| -4:00 - WART 1991 Oct 15 | |
| -4:00 1:00 WARST 1992 Mar 1 | |
| -4:00 - WART 1992 Oct 18 | |
| -3:00 Arg AR%sT 1999 Oct 3 | |
| -4:00 Arg AR%sT 2000 Mar 3 | |
| -3:00 - ART 2004 May 23 | |
| -4:00 - WART 2004 Sep 26 | |
| -3:00 Arg AR%sT 2008 Oct 18 | |
| -3:00 - ART | |
| Rule SanLuis 2008 2009 - Mar Sun>=8 0:00 0 - | |
| Rule SanLuis 2007 2009 - Oct Sun>=8 0:00 1:00 S | |
| Zone America/Argentina/San_Luis -4:25:24 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1990 | |
| -3:00 1:00 ARST 1990 Mar 14 | |
| -4:00 - WART 1990 Oct 15 | |
| -4:00 1:00 WARST 1991 Mar 1 | |
| -4:00 - WART 1991 Jun 1 | |
| -3:00 - ART 1999 Oct 3 | |
| -4:00 1:00 WARST 2000 Mar 3 | |
| -3:00 - ART 2004 May 31 | |
| -4:00 - WART 2004 Jul 25 | |
| -3:00 Arg AR%sT 2008 Jan 21 | |
| -4:00 SanLuis WAR%sT | |
| Zone America/Argentina/Rio_Gallegos -4:36:52 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May # Cordoba Mean Time | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1999 Oct 3 | |
| -4:00 Arg AR%sT 2000 Mar 3 | |
| -3:00 - ART 2004 Jun 1 | |
| -4:00 - WART 2004 Jun 20 | |
| -3:00 Arg AR%sT 2008 Oct 18 | |
| -3:00 - ART | |
| Zone America/Argentina/Ushuaia -4:33:12 - LMT 1894 Oct 31 | |
| -4:16:48 - CMT 1920 May # Cordoba Mean Time | |
| -4:00 - ART 1930 Dec | |
| -4:00 Arg AR%sT 1969 Oct 5 | |
| -3:00 Arg AR%sT 1999 Oct 3 | |
| -4:00 Arg AR%sT 2000 Mar 3 | |
| -3:00 - ART 2004 May 30 | |
| -4:00 - WART 2004 Jun 20 | |
| -3:00 Arg AR%sT 2008 Oct 18 | |
| -3:00 - ART | |
| Zone America/Aruba -4:40:24 - LMT 1912 Feb 12 # Oranjestad | |
| -4:30 - ANT 1965 # Netherlands Antilles Time | |
| -4:00 - AST | |
| Zone America/La_Paz -4:32:36 - LMT 1890 | |
| -4:32:36 - CMT 1931 Oct 15 # Calamarca MT | |
| -4:32:36 1:00 BOST 1932 Mar 21 # Bolivia ST | |
| -4:00 - BOT # Bolivia Time | |
| Rule Brazil 1931 only - Oct 3 11:00 1:00 S | |
| Rule Brazil 1932 1933 - Apr 1 0:00 0 - | |
| Rule Brazil 1932 only - Oct 3 0:00 1:00 S | |
| Rule Brazil 1949 1952 - Dec 1 0:00 1:00 S | |
| Rule Brazil 1950 only - Apr 16 1:00 0 - | |
| Rule Brazil 1951 1952 - Apr 1 0:00 0 - | |
| Rule Brazil 1953 only - Mar 1 0:00 0 - | |
| Rule Brazil 1963 only - Dec 9 0:00 1:00 S | |
| Rule Brazil 1964 only - Mar 1 0:00 0 - | |
| Rule Brazil 1965 only - Jan 31 0:00 1:00 S | |
| Rule Brazil 1965 only - Mar 31 0:00 0 - | |
| Rule Brazil 1965 only - Dec 1 0:00 1:00 S | |
| Rule Brazil 1966 1968 - Mar 1 0:00 0 - | |
| Rule Brazil 1966 1967 - Nov 1 0:00 1:00 S | |
| Rule Brazil 1985 only - Nov 2 0:00 1:00 S | |
| Rule Brazil 1986 only - Mar 15 0:00 0 - | |
| Rule Brazil 1986 only - Oct 25 0:00 1:00 S | |
| Rule Brazil 1987 only - Feb 14 0:00 0 - | |
| Rule Brazil 1987 only - Oct 25 0:00 1:00 S | |
| Rule Brazil 1988 only - Feb 7 0:00 0 - | |
| Rule Brazil 1988 only - Oct 16 0:00 1:00 S | |
| Rule Brazil 1989 only - Jan 29 0:00 0 - | |
| Rule Brazil 1989 only - Oct 15 0:00 1:00 S | |
| Rule Brazil 1990 only - Feb 11 0:00 0 - | |
| Rule Brazil 1990 only - Oct 21 0:00 1:00 S | |
| Rule Brazil 1991 only - Feb 17 0:00 0 - | |
| Rule Brazil 1991 only - Oct 20 0:00 1:00 S | |
| Rule Brazil 1992 only - Feb 9 0:00 0 - | |
| Rule Brazil 1992 only - Oct 25 0:00 1:00 S | |
| Rule Brazil 1993 only - Jan 31 0:00 0 - | |
| Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 S | |
| Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 - | |
| Rule Brazil 1996 only - Feb 11 0:00 0 - | |
| Rule Brazil 1996 only - Oct 6 0:00 1:00 S | |
| Rule Brazil 1997 only - Feb 16 0:00 0 - | |
| Rule Brazil 1997 only - Oct 6 0:00 1:00 S | |
| Rule Brazil 1998 only - Mar 1 0:00 0 - | |
| Rule Brazil 1998 only - Oct 11 0:00 1:00 S | |
| Rule Brazil 1999 only - Feb 21 0:00 0 - | |
| Rule Brazil 1999 only - Oct 3 0:00 1:00 S | |
| Rule Brazil 2000 only - Feb 27 0:00 0 - | |
| Rule Brazil 2000 2001 - Oct Sun>=8 0:00 1:00 S | |
| Rule Brazil 2001 2006 - Feb Sun>=15 0:00 0 - | |
| Rule Brazil 2002 only - Nov 3 0:00 1:00 S | |
| Rule Brazil 2003 only - Oct 19 0:00 1:00 S | |
| Rule Brazil 2004 only - Nov 2 0:00 1:00 S | |
| Rule Brazil 2005 only - Oct 16 0:00 1:00 S | |
| Rule Brazil 2006 only - Nov 5 0:00 1:00 S | |
| Rule Brazil 2007 only - Feb 25 0:00 0 - | |
| Rule Brazil 2007 only - Oct Sun>=8 0:00 1:00 S | |
| Rule Brazil 2008 max - Oct Sun>=15 0:00 1:00 S | |
| Rule Brazil 2008 2011 - Feb Sun>=15 0:00 0 - | |
| Rule Brazil 2012 only - Feb Sun>=22 0:00 0 - | |
| Rule Brazil 2013 2014 - Feb Sun>=15 0:00 0 - | |
| Rule Brazil 2015 only - Feb Sun>=22 0:00 0 - | |
| Rule Brazil 2016 2022 - Feb Sun>=15 0:00 0 - | |
| Rule Brazil 2023 only - Feb Sun>=22 0:00 0 - | |
| Rule Brazil 2024 2025 - Feb Sun>=15 0:00 0 - | |
| Rule Brazil 2026 only - Feb Sun>=22 0:00 0 - | |
| Rule Brazil 2027 2033 - Feb Sun>=15 0:00 0 - | |
| Rule Brazil 2034 only - Feb Sun>=22 0:00 0 - | |
| Rule Brazil 2035 2036 - Feb Sun>=15 0:00 0 - | |
| Rule Brazil 2037 only - Feb Sun>=22 0:00 0 - | |
| Rule Brazil 2038 max - Feb Sun>=15 0:00 0 - | |
| Zone America/Noronha -2:09:40 - LMT 1914 | |
| -2:00 Brazil FN%sT 1990 Sep 17 | |
| -2:00 - FNT 1999 Sep 30 | |
| -2:00 Brazil FN%sT 2000 Oct 15 | |
| -2:00 - FNT 2001 Sep 13 | |
| -2:00 Brazil FN%sT 2002 Oct 1 | |
| -2:00 - FNT | |
| Zone America/Belem -3:13:56 - LMT 1914 | |
| -3:00 Brazil BR%sT 1988 Sep 12 | |
| -3:00 - BRT | |
| Zone America/Santarem -3:38:48 - LMT 1914 | |
| -4:00 Brazil AM%sT 1988 Sep 12 | |
| -4:00 - AMT 2008 Jun 24 00:00 | |
| -3:00 - BRT | |
| Zone America/Fortaleza -2:34:00 - LMT 1914 | |
| -3:00 Brazil BR%sT 1990 Sep 17 | |
| -3:00 - BRT 1999 Sep 30 | |
| -3:00 Brazil BR%sT 2000 Oct 22 | |
| -3:00 - BRT 2001 Sep 13 | |
| -3:00 Brazil BR%sT 2002 Oct 1 | |
| -3:00 - BRT | |
| Zone America/Recife -2:19:36 - LMT 1914 | |
| -3:00 Brazil BR%sT 1990 Sep 17 | |
| -3:00 - BRT 1999 Sep 30 | |
| -3:00 Brazil BR%sT 2000 Oct 15 | |
| -3:00 - BRT 2001 Sep 13 | |
| -3:00 Brazil BR%sT 2002 Oct 1 | |
| -3:00 - BRT | |
| Zone America/Araguaina -3:12:48 - LMT 1914 | |
| -3:00 Brazil BR%sT 1990 Sep 17 | |
| -3:00 - BRT 1995 Sep 14 | |
| -3:00 Brazil BR%sT 2003 Sep 24 | |
| -3:00 - BRT 2012 Oct 21 | |
| -3:00 Brazil BR%sT | |
| Zone America/Maceio -2:22:52 - LMT 1914 | |
| -3:00 Brazil BR%sT 1990 Sep 17 | |
| -3:00 - BRT 1995 Oct 13 | |
| -3:00 Brazil BR%sT 1996 Sep 4 | |
| -3:00 - BRT 1999 Sep 30 | |
| -3:00 Brazil BR%sT 2000 Oct 22 | |
| -3:00 - BRT 2001 Sep 13 | |
| -3:00 Brazil BR%sT 2002 Oct 1 | |
| -3:00 - BRT | |
| Zone America/Bahia -2:34:04 - LMT 1914 | |
| -3:00 Brazil BR%sT 2003 Sep 24 | |
| -3:00 - BRT 2011 Oct 16 | |
| -3:00 Brazil BR%sT 2012 Oct 21 | |
| -3:00 - BRT | |
| Zone America/Sao_Paulo -3:06:28 - LMT 1914 | |
| -3:00 Brazil BR%sT 1963 Oct 23 00:00 | |
| -3:00 1:00 BRST 1964 | |
| -3:00 Brazil BR%sT | |
| Zone America/Campo_Grande -3:38:28 - LMT 1914 | |
| -4:00 Brazil AM%sT | |
| Zone America/Cuiaba -3:44:20 - LMT 1914 | |
| -4:00 Brazil AM%sT 2003 Sep 24 | |
| -4:00 - AMT 2004 Oct 1 | |
| -4:00 Brazil AM%sT | |
| Zone America/Porto_Velho -4:15:36 - LMT 1914 | |
| -4:00 Brazil AM%sT 1988 Sep 12 | |
| -4:00 - AMT | |
| Zone America/Boa_Vista -4:02:40 - LMT 1914 | |
| -4:00 Brazil AM%sT 1988 Sep 12 | |
| -4:00 - AMT 1999 Sep 30 | |
| -4:00 Brazil AM%sT 2000 Oct 15 | |
| -4:00 - AMT | |
| Zone America/Manaus -4:00:04 - LMT 1914 | |
| -4:00 Brazil AM%sT 1988 Sep 12 | |
| -4:00 - AMT 1993 Sep 28 | |
| -4:00 Brazil AM%sT 1994 Sep 22 | |
| -4:00 - AMT | |
| Zone America/Eirunepe -4:39:28 - LMT 1914 | |
| -5:00 Brazil AC%sT 1988 Sep 12 | |
| -5:00 - ACT 1993 Sep 28 | |
| -5:00 Brazil AC%sT 1994 Sep 22 | |
| -5:00 - ACT 2008 Jun 24 00:00 | |
| -4:00 - AMT | |
| Zone America/Rio_Branco -4:31:12 - LMT 1914 | |
| -5:00 Brazil AC%sT 1988 Sep 12 | |
| -5:00 - ACT 2008 Jun 24 00:00 | |
| -4:00 - AMT | |
| Rule Chile 1927 1932 - Sep 1 0:00 1:00 S | |
| Rule Chile 1928 1932 - Apr 1 0:00 0 - | |
| Rule Chile 1942 only - Jun 1 4:00u 0 - | |
| Rule Chile 1942 only - Aug 1 5:00u 1:00 S | |
| Rule Chile 1946 only - Jul 15 4:00u 1:00 S | |
| Rule Chile 1946 only - Sep 1 3:00u 0:00 - | |
| Rule Chile 1947 only - Apr 1 4:00u 0 - | |
| Rule Chile 1968 only - Nov 3 4:00u 1:00 S | |
| Rule Chile 1969 only - Mar 30 3:00u 0 - | |
| Rule Chile 1969 only - Nov 23 4:00u 1:00 S | |
| Rule Chile 1970 only - Mar 29 3:00u 0 - | |
| Rule Chile 1971 only - Mar 14 3:00u 0 - | |
| Rule Chile 1970 1972 - Oct Sun>=9 4:00u 1:00 S | |
| Rule Chile 1972 1986 - Mar Sun>=9 3:00u 0 - | |
| Rule Chile 1973 only - Sep 30 4:00u 1:00 S | |
| Rule Chile 1974 1987 - Oct Sun>=9 4:00u 1:00 S | |
| Rule Chile 1987 only - Apr 12 3:00u 0 - | |
| Rule Chile 1988 1989 - Mar Sun>=9 3:00u 0 - | |
| Rule Chile 1988 only - Oct Sun>=1 4:00u 1:00 S | |
| Rule Chile 1989 only - Oct Sun>=9 4:00u 1:00 S | |
| Rule Chile 1990 only - Mar 18 3:00u 0 - | |
| Rule Chile 1990 only - Sep 16 4:00u 1:00 S | |
| Rule Chile 1991 1996 - Mar Sun>=9 3:00u 0 - | |
| Rule Chile 1991 1997 - Oct Sun>=9 4:00u 1:00 S | |
| Rule Chile 1997 only - Mar 30 3:00u 0 - | |
| Rule Chile 1998 only - Mar Sun>=9 3:00u 0 - | |
| Rule Chile 1998 only - Sep 27 4:00u 1:00 S | |
| Rule Chile 1999 only - Apr 4 3:00u 0 - | |
| Rule Chile 1999 2010 - Oct Sun>=9 4:00u 1:00 S | |
| Rule Chile 2000 2007 - Mar Sun>=9 3:00u 0 - | |
| Rule Chile 2008 only - Mar 30 3:00u 0 - | |
| Rule Chile 2009 only - Mar Sun>=9 3:00u 0 - | |
| Rule Chile 2010 only - Apr Sun>=1 3:00u 0 - | |
| Rule Chile 2011 only - May Sun>=2 3:00u 0 - | |
| Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S | |
| Rule Chile 2012 only - Apr Sun>=23 3:00u 0 - | |
| Rule Chile 2012 only - Sep Sun>=2 4:00u 1:00 S | |
| Rule Chile 2013 max - Mar Sun>=9 3:00u 0 - | |
| Rule Chile 2013 max - Oct Sun>=9 4:00u 1:00 S | |
| Zone America/Santiago -4:42:46 - LMT 1890 | |
| -4:42:46 - SMT 1910 # Santiago Mean Time | |
| -5:00 - CLT 1916 Jul 1 # Chile Time | |
| -4:42:46 - SMT 1918 Sep 1 # Santiago Mean Time | |
| -4:00 - CLT 1919 Jul 1 # Chile Time | |
| -4:42:46 - SMT 1927 Sep 1 # Santiago Mean Time | |
| -5:00 Chile CL%sT 1947 May 22 # Chile Time | |
| -4:00 Chile CL%sT | |
| Zone Pacific/Easter -7:17:44 - LMT 1890 | |
| -7:17:28 - EMT 1932 Sep # Easter Mean Time | |
| -7:00 Chile EAS%sT 1982 Mar 13 21:00 # Easter I Time | |
| -6:00 Chile EAS%sT | |
| Rule CO 1992 only - May 3 0:00 1:00 S | |
| Rule CO 1993 only - Apr 4 0:00 0 - | |
| Zone America/Bogota -4:56:20 - LMT 1884 Mar 13 | |
| -4:56:20 - BMT 1914 Nov 23 # Bogota Mean Time | |
| -5:00 CO CO%sT # Colombia Time | |
| Zone America/Curacao -4:35:44 - LMT 1912 Feb 12 # Willemstad | |
| -4:30 - ANT 1965 # Netherlands Antilles Time | |
| -4:00 - AST | |
| Link America/Curacao America/Lower_Princes # Sint Maarten | |
| Link America/Curacao America/Kralendijk # Bonaire, Sint Estatius and Saba | |
| Zone America/Guayaquil -5:19:20 - LMT 1890 | |
| -5:14:00 - QMT 1931 # Quito Mean Time | |
| -5:00 - ECT # Ecuador Time | |
| Zone Pacific/Galapagos -5:58:24 - LMT 1931 # Puerto Baquerizo Moreno | |
| -5:00 - ECT 1986 | |
| -6:00 - GALT # Galapagos Time | |
| Rule Falk 1937 1938 - Sep lastSun 0:00 1:00 S | |
| Rule Falk 1938 1942 - Mar Sun>=19 0:00 0 - | |
| Rule Falk 1939 only - Oct 1 0:00 1:00 S | |
| Rule Falk 1940 1942 - Sep lastSun 0:00 1:00 S | |
| Rule Falk 1943 only - Jan 1 0:00 0 - | |
| Rule Falk 1983 only - Sep lastSun 0:00 1:00 S | |
| Rule Falk 1984 1985 - Apr lastSun 0:00 0 - | |
| Rule Falk 1984 only - Sep 16 0:00 1:00 S | |
| Rule Falk 1985 2000 - Sep Sun>=9 0:00 1:00 S | |
| Rule Falk 1986 2000 - Apr Sun>=16 0:00 0 - | |
| Rule Falk 2001 2010 - Apr Sun>=15 2:00 0 - | |
| Rule Falk 2001 2010 - Sep Sun>=1 2:00 1:00 S | |
| Zone Atlantic/Stanley -3:51:24 - LMT 1890 | |
| -3:51:24 - SMT 1912 Mar 12 # Stanley Mean Time | |
| -4:00 Falk FK%sT 1983 May # Falkland Is Time | |
| -3:00 Falk FK%sT 1985 Sep 15 | |
| -4:00 Falk FK%sT 2010 Sep 5 02:00 | |
| -3:00 - FKST | |
| Zone America/Cayenne -3:29:20 - LMT 1911 Jul | |
| -4:00 - GFT 1967 Oct # French Guiana Time | |
| -3:00 - GFT | |
| Zone America/Guyana -3:52:40 - LMT 1915 Mar # Georgetown | |
| -3:45 - GBGT 1966 May 26 # Br Guiana Time | |
| -3:45 - GYT 1975 Jul 31 # Guyana Time | |
| -3:00 - GYT 1991 | |
| -4:00 - GYT | |
| Rule Para 1975 1988 - Oct 1 0:00 1:00 S | |
| Rule Para 1975 1978 - Mar 1 0:00 0 - | |
| Rule Para 1979 1991 - Apr 1 0:00 0 - | |
| Rule Para 1989 only - Oct 22 0:00 1:00 S | |
| Rule Para 1990 only - Oct 1 0:00 1:00 S | |
| Rule Para 1991 only - Oct 6 0:00 1:00 S | |
| Rule Para 1992 only - Mar 1 0:00 0 - | |
| Rule Para 1992 only - Oct 5 0:00 1:00 S | |
| Rule Para 1993 only - Mar 31 0:00 0 - | |
| Rule Para 1993 1995 - Oct 1 0:00 1:00 S | |
| Rule Para 1994 1995 - Feb lastSun 0:00 0 - | |
| Rule Para 1996 only - Mar 1 0:00 0 - | |
| Rule Para 1996 2001 - Oct Sun>=1 0:00 1:00 S | |
| Rule Para 1997 only - Feb lastSun 0:00 0 - | |
| Rule Para 1998 2001 - Mar Sun>=1 0:00 0 - | |
| Rule Para 2002 2004 - Apr Sun>=1 0:00 0 - | |
| Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 S | |
| Rule Para 2004 2009 - Oct Sun>=15 0:00 1:00 S | |
| Rule Para 2005 2009 - Mar Sun>=8 0:00 0 - | |
| Rule Para 2010 max - Oct Sun>=1 0:00 1:00 S | |
| Rule Para 2010 max - Apr Sun>=8 0:00 0 - | |
| Zone America/Asuncion -3:50:40 - LMT 1890 | |
| -3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time | |
| -4:00 - PYT 1972 Oct # Paraguay Time | |
| -3:00 - PYT 1974 Apr | |
| -4:00 Para PY%sT | |
| Rule Peru 1938 only - Jan 1 0:00 1:00 S | |
| Rule Peru 1938 only - Apr 1 0:00 0 - | |
| Rule Peru 1938 1939 - Sep lastSun 0:00 1:00 S | |
| Rule Peru 1939 1940 - Mar Sun>=24 0:00 0 - | |
| Rule Peru 1986 1987 - Jan 1 0:00 1:00 S | |
| Rule Peru 1986 1987 - Apr 1 0:00 0 - | |
| Rule Peru 1990 only - Jan 1 0:00 1:00 S | |
| Rule Peru 1990 only - Apr 1 0:00 0 - | |
| Rule Peru 1994 only - Jan 1 0:00 1:00 S | |
| Rule Peru 1994 only - Apr 1 0:00 0 - | |
| Zone America/Lima -5:08:12 - LMT 1890 | |
| -5:08:36 - LMT 1908 Jul 28 # Lima Mean Time? | |
| -5:00 Peru PE%sT # Peru Time | |
| Zone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken | |
| -2:00 - GST # South Georgia Time | |
| Zone America/Paramaribo -3:40:40 - LMT 1911 | |
| -3:40:52 - PMT 1935 # Paramaribo Mean Time | |
| -3:40:36 - PMT 1945 Oct # The capital moved? | |
| -3:30 - NEGT 1975 Nov 20 # Dutch Guiana Time | |
| -3:30 - SRT 1984 Oct # Suriname Time | |
| -3:00 - SRT | |
| Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2 | |
| -4:00 - AST | |
| Rule Uruguay 1923 only - Oct 2 0:00 0:30 HS | |
| Rule Uruguay 1924 1926 - Apr 1 0:00 0 - | |
| Rule Uruguay 1924 1925 - Oct 1 0:00 0:30 HS | |
| Rule Uruguay 1933 1935 - Oct lastSun 0:00 0:30 HS | |
| Rule Uruguay 1934 1936 - Mar Sat>=25 23:30s 0 - | |
| Rule Uruguay 1936 only - Nov 1 0:00 0:30 HS | |
| Rule Uruguay 1937 1941 - Mar lastSun 0:00 0 - | |
| Rule Uruguay 1937 1940 - Oct lastSun 0:00 0:30 HS | |
| Rule Uruguay 1941 only - Aug 1 0:00 0:30 HS | |
| Rule Uruguay 1942 only - Jan 1 0:00 0 - | |
| Rule Uruguay 1942 only - Dec 14 0:00 1:00 S | |
| Rule Uruguay 1943 only - Mar 14 0:00 0 - | |
| Rule Uruguay 1959 only - May 24 0:00 1:00 S | |
| Rule Uruguay 1959 only - Nov 15 0:00 0 - | |
| Rule Uruguay 1960 only - Jan 17 0:00 1:00 S | |
| Rule Uruguay 1960 only - Mar 6 0:00 0 - | |
| Rule Uruguay 1965 1967 - Apr Sun>=1 0:00 1:00 S | |
| Rule Uruguay 1965 only - Sep 26 0:00 0 - | |
| Rule Uruguay 1966 1967 - Oct 31 0:00 0 - | |
| Rule Uruguay 1968 1970 - May 27 0:00 0:30 HS | |
| Rule Uruguay 1968 1970 - Dec 2 0:00 0 - | |
| Rule Uruguay 1972 only - Apr 24 0:00 1:00 S | |
| Rule Uruguay 1972 only - Aug 15 0:00 0 - | |
| Rule Uruguay 1974 only - Mar 10 0:00 0:30 HS | |
| Rule Uruguay 1974 only - Dec 22 0:00 1:00 S | |
| Rule Uruguay 1976 only - Oct 1 0:00 0 - | |
| Rule Uruguay 1977 only - Dec 4 0:00 1:00 S | |
| Rule Uruguay 1978 only - Apr 1 0:00 0 - | |
| Rule Uruguay 1979 only - Oct 1 0:00 1:00 S | |
| Rule Uruguay 1980 only - May 1 0:00 0 - | |
| Rule Uruguay 1987 only - Dec 14 0:00 1:00 S | |
| Rule Uruguay 1988 only - Mar 14 0:00 0 - | |
| Rule Uruguay 1988 only - Dec 11 0:00 1:00 S | |
| Rule Uruguay 1989 only - Mar 12 0:00 0 - | |
| Rule Uruguay 1989 only - Oct 29 0:00 1:00 S | |
| Rule Uruguay 1990 1992 - Mar Sun>=1 0:00 0 - | |
| Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 S | |
| Rule Uruguay 1992 only - Oct 18 0:00 1:00 S | |
| Rule Uruguay 1993 only - Feb 28 0:00 0 - | |
| Rule Uruguay 2004 only - Sep 19 0:00 1:00 S | |
| Rule Uruguay 2005 only - Mar 27 2:00 0 - | |
| Rule Uruguay 2005 only - Oct 9 2:00 1:00 S | |
| Rule Uruguay 2006 only - Mar 12 2:00 0 - | |
| Rule Uruguay 2006 max - Oct Sun>=1 2:00 1:00 S | |
| Rule Uruguay 2007 max - Mar Sun>=8 2:00 0 - | |
| Zone America/Montevideo -3:44:44 - LMT 1898 Jun 28 | |
| -3:44:44 - MMT 1920 May 1 # Montevideo MT | |
| -3:30 Uruguay UY%sT 1942 Dec 14 # Uruguay Time | |
| -3:00 Uruguay UY%sT | |
| Zone America/Caracas -4:27:44 - LMT 1890 | |
| -4:27:40 - CMT 1912 Feb 12 # Caracas Mean Time? | |
| -4:30 - VET 1965 # Venezuela Time | |
| -4:00 - VET 2007 Dec 9 03:00 | |
| -4:30 - VET |