Sunrise and Sunset times in Teresina, Brazil 
Today:
 Sunrise: 05:28:51
|
 Sunset: 17:43:10
|
Day Length: 12h 14m 19s
Time zone: America/Fortaleza, UTC -3 h.
Latitude: -5.095, Longitude: -42.78
Teresina
Piauí, Brazil 
907 000 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Oct-01, Wednesday | 05:36:00 | 11:40:39 | 17:45:18 | 12h 9m 18s |
| 2025-Oct-02, Thursday | 05:35:32 | 11:40:20 | 17:45:07 | 12h 9m 35s |
| 2025-Oct-03, Friday | 05:35:05 | 11:40:01 | 17:44:57 | 12h 9m 52s |
| 2025-Oct-04, Saturday | 05:34:38 | 11:39:43 | 17:44:47 | 12h 10m 9s |
| 2025-Oct-05, Sunday | 05:34:12 | 11:39:25 | 17:44:37 | 12h 10m 25s |
| 2025-Oct-06, Monday | 05:33:46 | 11:39:07 | 17:44:28 | 12h 10m 42s |
| 2025-Oct-07, Tuesday | 05:33:20 | 11:38:50 | 17:44:19 | 12h 10m 59s |
| 2025-Oct-08, Wednesday | 05:32:55 | 11:38:33 | 17:44:11 | 12h 11m 16s |
| 2025-Oct-09, Thursday | 05:32:30 | 11:38:16 | 17:44:03 | 12h 11m 33s |
| 2025-Oct-10, Friday | 05:32:06 | 11:38:00 | 17:43:55 | 12h 11m 49s |
| 2025-Oct-11, Saturday | 05:31:42 | 11:37:45 | 17:43:48 | 12h 12m 6s |
| 2025-Oct-12, Sunday | 05:31:19 | 11:37:30 | 17:43:41 | 12h 12m 22s |
| 2025-Oct-13, Monday | 05:30:56 | 11:37:15 | 17:43:35 | 12h 12m 39s |
| 2025-Oct-14, Tuesday | 05:30:34 | 11:37:02 | 17:43:30 | 12h 12m 56s |
| 2025-Oct-15, Wednesday | 05:30:12 | 11:36:48 | 17:43:25 | 12h 13m 13s |
| 2025-Oct-16, Thursday | 05:29:51 | 11:36:35 | 17:43:20 | 12h 13m 29s |
| 2025-Oct-17, Friday | 05:29:30 | 11:36:23 | 17:43:16 | 12h 13m 46s |
| 2025-Oct-18, Saturday | 05:29:10 | 11:36:12 | 17:43:13 | 12h 14m 3s |
| 2025-Oct-19, Sunday | 05:28:51 | 11:36:01 | 17:43:10 | 12h 14m 19s |
| 2025-Oct-20, Monday | 05:28:33 | 11:35:50 | 17:43:08 | 12h 14m 35s |
| 2025-Oct-21, Tuesday | 05:28:15 | 11:35:41 | 17:43:06 | 12h 14m 51s |
| 2025-Oct-22, Wednesday | 05:27:58 | 11:35:31 | 17:43:05 | 12h 15m 7s |
| 2025-Oct-23, Thursday | 05:27:41 | 11:35:23 | 17:43:05 | 12h 15m 24s |
| 2025-Oct-24, Friday | 05:27:26 | 11:35:15 | 17:43:05 | 12h 15m 39s |
| 2025-Oct-25, Saturday | 05:27:11 | 11:35:09 | 17:43:06 | 12h 15m 55s |
| 2025-Oct-26, Sunday | 05:26:56 | 11:35:02 | 17:43:08 | 12h 16m 12s |
| 2025-Oct-27, Monday | 05:26:43 | 11:34:57 | 17:43:11 | 12h 16m 28s |
| 2025-Oct-28, Tuesday | 05:26:31 | 11:34:52 | 17:43:14 | 12h 16m 43s |
| 2025-Oct-29, Wednesday | 05:26:19 | 11:34:48 | 17:43:18 | 12h 16m 59s |
| 2025-Oct-30, Thursday | 05:26:08 | 11:34:45 | 17:43:22 | 12h 17m 14s |
| 2025-Oct-31, Friday | 05:25:58 | 11:34:43 | 17:43:27 | 12h 17m 29s |
Day length in Teresina during the year on the chart:
Teresina on Brazil map:
Locations in the same time zone America/Fortaleza
Fortaleza (Ceará), Natal (Rio Grande do Norte), Sao Luis (Maranhão), Joao Pessoa (Paraíba), Macau , Campina Grande (Paraíba), Crato (Ceará), Juazeiro do Norte (Ceará), Imperatriz (Maranhão), Timon (Maranhão), Mossoro (Rio Grande do Norte), Sobral (Ceará), Parnaiba (Piauí), Caxias (Maranhão), Patos (Paraíba), Sao Tome (São Tomé), Codo (Maranhão), Bacabal (Maranhão), Iguatu (Ceará), Balsas (Maranhão), Santa Ines (Maranhão), Picos (Piauí), Itapipoca (Ceará), Sao Jose de Ribamar (Maranhão), Caico (Rio Grande do Norte), Crateus (Ceará), Quixada (Ceará), Barra do Corda (Maranhão), Floriano (Piauí), Piripiri (Piauí)
Largest populated areas in Brazil
Sao Paulo (São Paulo), Rio de Janeiro (Rio de Janeiro), Belo Horizonte (Minas Gerais), Porto Alegre (Rio Grande do Sul), Brasilia (Distrito Federal), Recife (Pernambuco), Fortaleza (Ceará), Salvador (Bahia), Curitiba (Paraná), Campinas (São Paulo), Belem (Pará), Goiania (Goiás), Manaus (Amazonas), Santos (São Paulo), Vitoria (Espírito Santo), Niteroi (Rio de Janeiro), Vila Velha (Amapá), Vila Velha (Espírito Santo), Maceio (Alagoas), Natal (Rio Grande do Norte), Sao Luis (Maranhão), Florianopolis (Santa Catarina), Joinvile (Santa Catarina), Natal (Amazonas), Joao Pessoa (Paraíba), Olinda (Pernambuco), Novo Hamburgo (Rio Grande do Sul), Iguacu (Rio de Janeiro), Cuiaba (Mato Grosso), Campo Grande (Mato Grosso do Sul)
Countries closest to Brazil
*Calculation of distances from capital to capital
Daylight Hours FAQ: 10 Most Googled Questions Answered
Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.
Earth's 23.5° axial tilt causes uneven sunlight distribution. Your hemisphere receives less direct sunlight in winter (shorter days) and more in summer (longer days).
Northern Hemisphere: June 20-22 (summer solstice).
Southern Hemisphere: December 21-23.
Near polar circles, the sun doesn't set for 24 hours.
Northern Hemisphere: December 21-22 (winter solstice).
Southern Hemisphere: June 20-21.
The closer to poles, the more extreme variations:
- Equator: ~12-hour days year-round
- Polar regions: Midnight sun/polar nights occur
Miami's lower latitude means:
- Winter days are longer than NY's
- Summer days are slightly shorter
During equinoxes:
- Spring: March 20-21
- Fall: September 22-23
Most rapid change near equinoxes: 2-4 minutes daily.
Slowest change near solstices: <1 minute daily.
Reliable tools:
- Timeanddate.com
- SunCalc.org
- Photographer's Ephemeris app
Yes. Reduced winter sunlight may cause:
- Seasonal Affective Disorder (SAD)
- Vitamin D deficiency
Solution: Light therapy lamps & midday walks