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Time zones in Brazil

Brazil has three time zones. Daylight saving time (summer time) is also observed by the Southern, Southeast and Central-Western Brazilian states. It is being considered that the country would switch to using only one UTC offset for the whole country.[1]

Contents

Time zones

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Brasília official time (UTC-03)

The main time zone of Brazil corresponds to the time at Brasília. All the other time zones are given as offsets to it.

Outside of summer time, it corresponds to UTC-03; during summer time, it changes to UTC-02, but this change is not followed by all states. It comprises the states in the Southeast Region, the South Region and the Northeast Region (except some islands), the states of Goiás, Tocantins, Pará, and Amapá, plus the Brazilian Federal District.

Brasília time + 1 (UTC-02)

This time zone corresponds to UTC-02. It is followed by a few Atlantic islands on the east coast of Brazil (Fernando de Noronha, Trindade, Martin Vaz, Atol das Rocas, Saint Peter and Paul Rocks).

Brasília time − 1 (UTC-04)

Outside of summer time, this time zone corresponds to UTC-04; during summer time, it changes to UTC-03, but this change is not followed by all states. It is used in the states of Amazonas, Mato Grosso, Mato Grosso do Sul, Rondônia, and Roraima, and since mid-2008, also in the state of Acre.

Until 2008, the west side of Pará was also part of this time zone, when it joined the rest of the state in observing Brasília time.

Brasília time − 2 (UTC-05, Defunct)

Until 2008, the far-western tip of the country, which included the southwestern part of the state of Amazonas and the entire state of Acre, was part of a fourth time zone, corresponding to UTC-05. However, on June 24, 2008, these areas advanced their clocks by an hour, so that they became part of the UTC-04 time zone.[2]

Summer time

Daylight Saving Time starts on the 3rd Sunday of October and ends on the 3rd Sunday of February. Occasionally, in years when the Carnival celebrations fall on the 3rd Sunday of February, DST's ending is postponed to the following Sunday[3].

It is observed by Southern, Southeast and Central-Western Brazil, i.e. the states of Rio Grande do Sul, Santa Catarina, Paraná, São Paulo, Rio de Janeiro, Espírito Santo, Minas Gerais, Goiás, Mato Grosso and Mato Grosso do Sul, plus the Federal District.

The clock is moved forward by one hour between the start and end dates, moving Brasília Official Time from UTC-03 to UTC-02; the other states that do not follow summer time observe a change of the offset to Brasília time.

History

Summer time in Brazil was first adopted in 1931[4]. Initially, it applied to the whole country (with an exception in part of 1963); since 1988, it started being used only in part of the country[5].

Before 2008, there were no fixed start and end dates for summer time, nor which states should or should not follow it; they were decided every year by one or more decrees, sometimes published very close to their start date[5].

Tz database

The tz database contains 16 zones for Brazil.

coordinates TZ comments UTC offset DST Notes
-0351-03225 America/Noronha Atlantic islands UTC-02 -
-0127-04829 America/Belem Amapa, E Para UTC-03 -
-0343-03830 America/Fortaleza NE Brazil (MA, PI, CE, RN, PB) UTC-03 -
-0803-03454 America/Recife Pernambuco UTC-03 -
-0712-04812 America/Araguaina Tocantins UTC-03 -
-0940-03543 America/Maceio Alagoas, Sergipe UTC-03 -
-1259-03831 America/Bahia Bahia UTC-03 -
-2332-04637 America/Sao_Paulo S & SE Brazil (GO, DF, MG, ES, RJ, SP, PR, SC, RS) UTC-03 UTC-02
-2027-05437 America/Campo_Grande Mato Grosso do Sul UTC-04 UTC-03
-1535-05605 America/Cuiaba Mato Grosso UTC-04 UTC-03
-0226-05452 America/Santarem W Para UTC-03 -
-0846-06354 America/Porto_Velho Rondonia UTC-04 -
+0249-06040 America/Boa_Vista Roraima UTC-04 -
-0308-06001 America/Manaus E Amazonas UTC-04 -
-0640-06952 America/Eirunepe W Amazonas UTC-04 -
-0958-06748 America/Rio_Branco Acre UTC-04 -

See also

References

External links


File:Time zones in
Time zones in Brazil

Brazil has three time zones. Daylight saving time (summer time) is also observed by the Southern, Southeast and Central-Western Brazilian states. A proposal to switch the entire country to a single UTC offset is under consideration.[1]

Contents

Time zones

Brasília official time (UTC-03)

The main time zone of Brazil corresponds to the time at Brasília. All the other time zones are given as offsets to it.

Outside of summer time, it corresponds to UTC-03; during summer time, it changes to UTC-02, but this change is not followed by all states. It comprises the states in the Southeast Region, the South Region and the Northeast Region (except some islands), the states of Goiás, Tocantins, Pará, and Amapá, plus the Brazilian Federal District.

Brasília time + 1 (UTC-02)

This time zone corresponds to UTC-02. It is followed by a few Atlantic islands on the east coast of Brazil (Fernando de Noronha, Trindade, Martin Vaz, Atol das Rocas, Saint Peter and Paul Rocks).

Brasília time − 1 (UTC-04)

Outside of summer time, this time zone corresponds to UTC-04; during summer time, it changes to UTC-03, but this change is not followed by all states. It is used in the states of Amazonas, Mato Grosso, Mato Grosso do Sul, Rondônia, and Roraima, and since mid-2008, also in the state of Acre.

Until 2008, the area of Pará west of the Xingu River was also part of this time zone, when it joined the rest of the state in observing Brasília time.

Brasília time − 2 (UTC-05, Defunct)

Until 2008, the far-western tip of the country, which included the southwestern part of the state of Amazonas and the entire state of Acre, was part of a fourth time zone, corresponding to UTC-05. However, on June 24, 2008, these areas advanced their clocks by an hour, so that they became part of the UTC-04 time zone.[2]

Summer time

Daylight Saving Time starts on the 3rd Sunday of October and ends on the 3rd Sunday of February. Occasionally, in years when the Carnival celebrations fall on the 3rd Sunday of February, DST's ending is postponed to the following Sunday[3].

It is observed by Southern, Southeast and Central-Western Brazil, i.e. the states of Rio Grande do Sul, Santa Catarina, Paraná, São Paulo, Rio de Janeiro, Espírito Santo, Minas Gerais, Goiás, Mato Grosso and Mato Grosso do Sul, plus the Federal District.

The clock is moved forward by one hour between the start and end dates, moving Brasília Official Time from UTC-03 to UTC-02; the other states that do not follow summer time observe a change of the offset to Brasília time.

History

Summer time in Brazil was first adopted in 1931[4]. Initially, it applied to the whole country (with an exception in part of 1963); since 1988, it started being used only in part of the country[5].

Before 2008, there were no fixed start and end dates for summer time, nor which states should or should not follow it; they were decided every year by one or more decrees, sometimes published very close to their start date[5].

Tz database

The tz database contains 16 zones for Brazil.

coordinates TZ comments UTC offset DST Notes
-0351-03225 America/Noronha Atlantic islands UTC-02 -
-0127-04829 America/Belem Amapa, E Para UTC-03 -
-0343-03830 America/Fortaleza NE Brazil (MA, PI, CE, RN, PB) UTC-03 -
-0803-03454 America/Recife Pernambuco UTC-03 -
-0712-04812 America/Araguaina Tocantins UTC-03 -
-0940-03543 America/Maceio Alagoas, Sergipe UTC-03 -
-1259-03831 America/Bahia Bahia UTC-03 -
-2332-04637 America/Sao_Paulo S & SE Brazil (GO, DF, MG, ES, RJ, SP, PR, SC, RS) UTC-03 UTC-02
-2027-05437 America/Campo_Grande Mato Grosso do Sul UTC-04 UTC-03
-1535-05605 America/Cuiaba Mato Grosso UTC-04 UTC-03
-0226-05452 America/Santarem W Para UTC-03 -
-0846-06354 America/Porto_Velho Rondonia UTC-04 -
+0249-06040 America/Boa_Vista Roraima UTC-04 -
-0308-06001 America/Manaus E Amazonas UTC-04 -
-0640-06952 America/Eirunepe W Amazonas UTC-04 -
-0958-06748 America/Rio_Branco Acre UTC-04 -

See also

References

External links


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