Piauí, Brazil
Piauí follows Brasília Time, UTC−3, in every municipality. Teresina, Parnaíba, and the inland cities share one clock, while local sunrise varies from east to west and through the year.
Teresina, Brazil
Wednesday, 4 November 2026
UTC−3 · America/Fortaleza
Time and sun data for Teresina — the largest city of Piauí
The sun in Teresina
Sunrise 5:27 AM Solar noon 11:36 AM Sunset 5:45 PM Daylight 12 h 18 min Night 11 h 42 min Civil twilight 5:05 AM – 6:06 PM
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- Lagoa Da Serra
- Lagoa Das Almas
- Lagoa Das Pedras
- Lagoa Das Vacas
- Lagoa De Baixo
- Lagoa de Cima
- Lagoa de Cima
- Lagoa De Dentro
- Lagoa De Dentro I
- Lagoa De Dentro Ii
- Lagoa De Junco
- Lagoa De Sao Francisco
- Lagoa de São Francisco
- Lagoa De Sao Joaquim
- Lagoa De Todos-Os-Santos
- Lagoa Do Arroz
- Lagoa Do Baixao
- Lagoa Do Banco
- Lagoa Do Barro
- Lagoa do Barro
- Lagoa do Barro
- Lagoa do Barro
- Lagoa do Barro do Piauí
- Lagoa Do Barro Do Piaui
- Lagoa Do Buraco
- Lagoa do Cajueiro
- Lagoa Do Canto
- Lagoa do Frio
- Lagoa do Gato
- Lagoa Do Gato
- Lagoa Do Mato
- Lagoa do Mato
- Lagoa Do Meio
- Lagoa Do Mocambo
- Lagoa Do Neco
- Lagoa Do Piaui
- Lagoa do Prado
- Lagoa Do Saco
- Lagoa Do Sitio
- Lagoa do Sucuruju
- Lagoa Do Tabuleiro
- Lagoa Do Umbuzeiro
- Lagoa Dos Cavalos
- Lagoa dos Cavalos
- Lagoa Dos Claudios
- Lagoa Dos Cocos Da Edmundo
- Lagoa dos Felix
- Lagoa Dos Macacos
- Lagoa dos Marcelinos
- Lagoa Felix
- Lagoa Grande
- Lagoa Grande
- Lagoa Grande
- Lagoa Grande
- Lagoa Grande
- Lagoa Grande
- Lagoa Jurema
- Lagoa Nova
- Lagoa Nova
- Lagoa Nova
- Lagoa Redonda
- Lagoa Seca
- Lagoa Sêca
- Lagoa Seca
- Lagoa Seca
- Lagoa Velha (1)
- Lagoa Velha (2)
- Lagoado
- Lagoas
- Lagoinha
- Lagoinha
- Lagoinha
- Lagoinha
- Lagoinha
- Lagoinha
- Lagoinha
- Lagoinha
- Lagoinha
- Lagoinha
- Lagoínha (1)
- Lagoínha (2)
- Lagoinha (2)
- Lagoinha do Piauí
- Lagoinha Do Piaui
- Lagoinha I
- Laje
- Lajeado
- Lajeado
- Lajeado Branco
- Lajedo Branco
- Lajeiro
- Lajeiro
- Lajeiro
- Lajeiro
- Lajes
- Lajes
- Lajes
- Lajes
- Lajinha
- Lameirao
- Lameiro
- Lameiro
- Landri Sales
- Lapa
- Laranja
- Laranjeiras
- Laranjo
- Largo
- Largo
- Leiu
- Lejeado
- Lembrança
- Lembranca
- Letreiro De Cima
- Ligeiro
- Liliane
- Limoeiro
- Limoeiro
- Limoeiro
- Limoeiro
- Limoeiro
- Limpeza
- Limpo Grande
- Lindeza
- Lindoia
- Livramento
- Longos
- Loucas
- Lugar Grande
- Luis Correia
- Lustosa
- Luzia
- Luzilandia
- Macacaria
- Macaco
- Macacos
- Macacos
- Macacos
- Macacos
- Macambira
- Macapa
- Macaranduba
- Madeiro
- Madre Teresa de Calcutar
- Mafrense
- Mafrense
- Magro
- Malhada
- Malhada
- Malhada (2)
- Malhada Alta
- Malhada Da Areia
- Malhada da Areia
- Malhada da Areia
- Malhada da Areia
- Malhada Da Barra
- Malhada De Baixo
- Malhada de Baixo
- Malhada De Cima
- Malhada De Fora
- Malhada De Pedra
- Malhada Do Ferreira
- Malhada Do Meio
- Malhada do Meio
- Malhada do Meio
- Malhada do Meio
- Malhada Grande
- Malhada Grande
- Malhada Grande
- Malhada Grande (1)
- Malhada Grande (1)
- Malhada Grande (1)
- Malhada Grande (2)
- Malhada Grande (2)
- Malhada Grande (2)
- Malhada Grande (3)
- Malhada Grande (4)
- Malhada Real
- Malhada Redonda
- Malhada Vermelha
- Malhada Vermelha
- Malhada Vermelha
- Malhada Vermelha
- Malhadinha
- Malhadinha
- Malhadinha
- Malhadinha
- Malhadinha
- Malhadinha (1)
- Malhado
- Maliça
- Malica
- Malicia
- Mamao
- Mamede
- Mamoeiro
- Mamoes
- Mamonas
- Manaparu
- Mandacarú
Current time in Piauí, Brazil
The state’s local time is three hours behind UTC. It is the same official hour used in Brasília and in neighbouring Maranhão, Ceará, Pernambuco, and Bahia, simplifying regional calls and overland journeys.
Piauí does not currently move its clocks for a seasonal daylight-saving period. When comparing Teresina with a foreign city, however, check the foreign location’s rules for the chosen date. Piauí needs no clock adjustment at its state borders, though a long road can still make the next appointment feel far away.
Places that share the state clock
Piauí reaches from a short Atlantic coastline into a large interior. Its civil-time arrangement remains uniform across that geography, so moving between its principal municipalities never creates an official one-hour jump.
Teresina is the capital, situated beside the Parnaíba River. Parnaíba is the principal city near the coast. Picos is an important centre in the interior. Floriano lies in the southern part of the state.
Piripiri serves communities in northern Piauí. The shared UTC−3 offset should not be confused with simultaneous daylight. Parnaíba and Picos may display the same hour yet have different positions of the Sun because their longitudes and latitudes are not identical.
Finding a useful sunrise time
A sunrise lookup should name the municipality. Teresina is a reasonable reference for the capital area, but it is not an exact substitute for coastal or southern Piauí. The selected calendar day is equally important.
Because Piauí is relatively close to the Equator, seasonal changes in daylight are less extreme than in Brazil’s far south. They still exist, and sunrise does not remain at one permanent clock time. Enter the correct municipality rather than Piauí alone.
Verify that the result is expressed in UTC−3. Check civil twilight if work begins before sunrise. Use a separate weather forecast to assess cloud or rain. The published sunrise is based on the horizon and the Sun’s calculated position. A hill, tree line, or building can postpone direct visibility at a particular observation point. Conversely, the sky begins brightening before the formal sunrise moment.
Questions and answers
- What time zone is used in Teresina?
- Teresina uses Brasília Time, UTC−3.
- Does Parnaíba keep a different coastal time?
- No. Parnaíba follows the same UTC−3 time as the rest of Piauí.
- Is sunrise constant because the state is near the Equator?
- No. Daylight varies less dramatically than in southern Brazil, but sunrise still changes by date and location.