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
Friday, 6 November 2026
UTC−3 · America/Fortaleza
Time and sun data for Teresina — the largest city of Piauí
The sun in Teresina
Sunrise 5:26 AM Solar noon 11:36 AM Sunset 5:45 PM Daylight 12 h 19 min Night 11 h 41 min Civil twilight 5:05 AM – 6:07 PM
Brazil · 3 569 cities · page 16 of 18
All cities — page 16
- Sao Joao Vermelho
- Sao Joaquim
- São José
- Sao Jose
- São José
- São José
- São José
- São José
- São José
- São José
- São José
- São José
- São José
- São José
- São José
- São José (1)
- São José (1)
- São José (2)
- São José (3)
- São José da Esperança
- Sao Jose Do Divino
- Sao Jose Do Olho D'Agua
- Sao Jose Do Peixe
- Sao Jose Do Piaui
- Sao Jose Do Sambito
- Sao Jose Dos Orfaos
- Sao Juliao
- São Lourenço
- Sao Lourenco
- São Lourenço
- São Lourenco
- Sao Lourenco Do Piaui
- São Lourenço do Piauí
- São Luis
- Sao Luis
- São Luís
- São Luís
- São Luís
- São Luís (2)
- Sao Luis Do Piaui
- São Luiz
- Sao Manuel
- Sao Mateuss
- São Miguel
- Sao Miguel
- São Miguel
- São Miguel da Baixa Grande
- Sao Miguel Da Baixa Grande
- Sao Miguel Do Fidalgo
- São Miguel do Fidalgo
- Sao Miguel Do Tapuio
- Sao Nicolau
- São Nicolau
- Sao Paulo
- Sao Pedro
- Sao Pedro Do Piaui
- Sao Raimundo
- São Raimundo
- São Raimundo
- São Raimundo
- São Raimundo
- São Raimundo
- São Raimundo II
- Sao Raimundo Nonato
- Sao Sebastiao
- São Vicente
- Sao Vicente
- São Vicente
- São Vicente
- São Vicente
- Sao Vicente De Dentro
- Sao Vincente
- Sape
- Sapé
- Sapé
- Sapecado
- Sapucaia
- Sapucaia
- Sapucaia
- Sapucaial
- Saquinho
- Saquinho
- Saquinho
- Satiro
- Sebastiao Barros
- Sebastiao Caixao
- Sebastiao Leal
- Segredo
- Segundo Campo
- Sem Denominação
- Sem Rival
- Serieme
- Seringa
- Serra
- Serra
- Serra Azul
- Serra Azul
- Serra do Campo Grande
- Serra Do Jacaranda
- Serra Do Joaozinho Do Mestre Pedro
- Serra do Maracujá
- Serra Do Meio
- Serra Do Raimundo Bernardo
- Serra Do Sobrado
- Serra Do Valente
- Serra Dos Matoes
- Serra Negra
- Serra Negra
- Serra Nova
- Serra Velha
- Serra Vermelha
- Serra Vermelha
- Serragem
- Serrinha
- Serrinha
- Serrinha
- Serrinha
- Sertao De Dentro
- Sertaozinho
- Sete Lagoas
- Sete Lagoas
- Sete Lagoas
- Sigefredo Pacheco
- Sigefredo Pacheco
- Silvado
- Simoes
- Simões
- Simpatia
- Simplicio Mendes
- Sitio
- Sítio
- Sítio
- Sítio
- Sitio Alecrim
- Sitio Alegre
- Sitio Baixa Verde
- Sitio Boa-Nova
- Sitio Bom Jardim
- Sitio Bonito
- Sitio Caibros
- Sitio Campestre
- Sitio Coitado
- Sitio Da Aldeia
- Sitio da Onca
- Sitio Da Onca
- Sitio Da Serra Grande
- Sitio Das Oncas
- Sitio De Cima
- Sitio De Noore
- Sítio do Meio
- Sitio Do Meio
- Sítio do Meio
- Sítio do Meio
- Sitio Formosa
- Sitio Gleba
- Sitio Goncalo
- Sitio Inhuma
- Sitio Inta
- Sitio Ipueirinha
- Sitio Lagoa
- Sitio Lagoa Seca
- Sitio Malhada Grande
- Sitio Novo
- Sitio Pitombeira
- Sitio Poco Do Juazeiro
- Sitio Salvador
- Sitio Santa Rita
- Sitio Santo Antonio
- Sítio Santo Antônio
- Sitio Velho
- Sítio Velho
- Sítio Velho
- Sitiozinho
- Sitiozinho
- Situacao
- Sobradinho
- Sobradinho
- Sobradinho
- Sobradinho
- Sobradinho
- Sobradinho
- Sobradinho
- Sobradinho
- Sobradinho (2)
- Sobradinho (2)
- Sobrado Grande
- Socopo
- Socorro
- Socorro Do Piaui
- Soinho
- Soledade
- Soledade
- Soledale
- Soltas
- Sossego
- Sossego
- Sossego
- Sossego
- Sousa
- Sucuarana
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.