America/Sao_Paulo

Time zone identifier: America/Sao_Paulo

Current civil offset: -03:00 (-03)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1914-01-01

Local Mean Time (LMT): -03:06:28 based on geographic meridian

Total recorded transitions: 91 transitions across 3 distinct offsets

Associated countries: BR

Aliases (Link targets): Brazil/East

Historical Offset Step Chart (1880 to Present)

Text summary: America/Sao_Paulo shifted between 3 distinct offsets from 1914-01-01 through the modern era.

Complete Transition History (91 Transitions)

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1914-01-01T03:06:28Z`	`1914-01-01 00:06:28`	-03:06:28 → -03:00	`-03`	No	gap
`1931-10-03T14:00:00Z`	`1931-10-03 12:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1932-04-01T02:00:00Z`	`1932-03-31 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1932-10-03T03:00:00Z`	`1932-10-03 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1933-04-01T02:00:00Z`	`1933-03-31 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1949-12-01T03:00:00Z`	`1949-12-01 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1950-04-16T03:00:00Z`	`1950-04-16 00:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1950-12-01T03:00:00Z`	`1950-12-01 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1951-04-01T02:00:00Z`	`1951-03-31 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1951-12-01T03:00:00Z`	`1951-12-01 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1952-04-01T02:00:00Z`	`1952-03-31 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1952-12-01T03:00:00Z`	`1952-12-01 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1953-03-01T02:00:00Z`	`1953-02-28 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1963-10-23T03:00:00Z`	`1963-10-23 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1964-03-01T02:00:00Z`	`1964-02-29 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1965-01-31T03:00:00Z`	`1965-01-31 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1965-03-31T02:00:00Z`	`1965-03-30 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1965-12-01T03:00:00Z`	`1965-12-01 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1966-03-01T02:00:00Z`	`1966-02-28 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1966-11-01T03:00:00Z`	`1966-11-01 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1967-03-01T02:00:00Z`	`1967-02-28 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1967-11-01T03:00:00Z`	`1967-11-01 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1968-03-01T02:00:00Z`	`1968-02-29 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1985-11-02T03:00:00Z`	`1985-11-02 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1986-03-15T02:00:00Z`	`1986-03-14 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1986-10-25T03:00:00Z`	`1986-10-25 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1987-02-14T02:00:00Z`	`1987-02-13 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1987-10-25T03:00:00Z`	`1987-10-25 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1988-02-07T02:00:00Z`	`1988-02-06 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1988-10-16T03:00:00Z`	`1988-10-16 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1989-01-29T02:00:00Z`	`1989-01-28 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1989-10-15T03:00:00Z`	`1989-10-15 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1990-02-11T02:00:00Z`	`1990-02-10 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1990-10-21T03:00:00Z`	`1990-10-21 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1991-02-17T02:00:00Z`	`1991-02-16 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1991-10-20T03:00:00Z`	`1991-10-20 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1992-02-09T02:00:00Z`	`1992-02-08 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1992-10-25T03:00:00Z`	`1992-10-25 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1993-01-31T02:00:00Z`	`1993-01-30 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1993-10-17T03:00:00Z`	`1993-10-17 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1994-02-20T02:00:00Z`	`1994-02-19 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1994-10-16T03:00:00Z`	`1994-10-16 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1995-02-19T02:00:00Z`	`1995-02-18 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1995-10-15T03:00:00Z`	`1995-10-15 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1996-02-11T02:00:00Z`	`1996-02-10 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1996-10-06T03:00:00Z`	`1996-10-06 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1997-02-16T02:00:00Z`	`1997-02-15 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1997-10-06T03:00:00Z`	`1997-10-06 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1998-03-01T02:00:00Z`	`1998-02-28 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1998-10-11T03:00:00Z`	`1998-10-11 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`1999-02-21T02:00:00Z`	`1999-02-20 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`1999-10-03T03:00:00Z`	`1999-10-03 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2000-02-27T02:00:00Z`	`2000-02-26 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2000-10-08T03:00:00Z`	`2000-10-08 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2001-02-18T02:00:00Z`	`2001-02-17 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2001-10-14T03:00:00Z`	`2001-10-14 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2002-02-17T02:00:00Z`	`2002-02-16 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2002-11-03T03:00:00Z`	`2002-11-03 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2003-02-16T02:00:00Z`	`2003-02-15 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2003-10-19T03:00:00Z`	`2003-10-19 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2004-02-15T02:00:00Z`	`2004-02-14 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2004-11-02T03:00:00Z`	`2004-11-02 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2005-02-20T02:00:00Z`	`2005-02-19 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2005-10-16T03:00:00Z`	`2005-10-16 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2006-02-19T02:00:00Z`	`2006-02-18 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2006-11-05T03:00:00Z`	`2006-11-05 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2007-02-25T02:00:00Z`	`2007-02-24 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2007-10-14T03:00:00Z`	`2007-10-14 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2008-02-17T02:00:00Z`	`2008-02-16 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2008-10-19T03:00:00Z`	`2008-10-19 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2009-02-15T02:00:00Z`	`2009-02-14 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2009-10-18T03:00:00Z`	`2009-10-18 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2010-02-21T02:00:00Z`	`2010-02-20 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2010-10-17T03:00:00Z`	`2010-10-17 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2011-02-20T02:00:00Z`	`2011-02-19 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2011-10-16T03:00:00Z`	`2011-10-16 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2012-02-26T02:00:00Z`	`2012-02-25 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2012-10-21T03:00:00Z`	`2012-10-21 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2013-02-17T02:00:00Z`	`2013-02-16 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2013-10-20T03:00:00Z`	`2013-10-20 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2014-02-16T02:00:00Z`	`2014-02-15 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2014-10-19T03:00:00Z`	`2014-10-19 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2015-02-22T02:00:00Z`	`2015-02-21 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2015-10-18T03:00:00Z`	`2015-10-18 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2016-02-21T02:00:00Z`	`2016-02-20 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2016-10-16T03:00:00Z`	`2016-10-16 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2017-02-19T02:00:00Z`	`2017-02-18 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2017-10-15T03:00:00Z`	`2017-10-15 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2018-02-18T02:00:00Z`	`2018-02-17 23:00:00`	-02:00 → -03:00	`-03`	No	overlap
`2018-11-04T03:00:00Z`	`2018-11-04 01:00:00`	-03:00 → -02:00	`-02`	Yes	gap
`2019-02-17T02:00:00Z`	`2019-02-16 23:00:00`	-02:00 → -03:00	`-03`	No	overlap

Notes from the Maintainers

Source: southamerica (Lines 1039 to 1042)

Goiás (GO), Distrito Federal (DF), Minas Gerais (MG),
Espírito Santo (ES), Rio de Janeiro (RJ), São Paulo (SP), Paraná (PR),
Santa Catarina (SC), Rio Grande do Sul (RS)

Years on Record

Methodology Note: The 1970 Rule

tzdb guarantees accuracy for timestamps from 1970 onwards. Transitions prior to 1970 represent best-effort historical reconstructions.