Sunrise and Sunset times in Porto Alegre, Brazil 
Porto Alegre
Rio Grande do Sul, Brazil
3 917 000 people
Today:
 Sunrise: 06:38:14
|
 Sunset: 18:10:28
|
Day Length: 11h 32m 14s
Time zone: America/Sao_Paulo, UTC -3 h.
Latitude: -30.05, Longitude: -51.2
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Sep-01, Monday | 06:39:25 | 12:24:40 | 18:09:56 | 11h 30m 31s |
| 2025-Sep-02, Tuesday | 06:38:14 | 12:24:21 | 18:10:28 | 11h 32m 14s |
| 2025-Sep-03, Wednesday | 06:37:03 | 12:24:01 | 18:11:00 | 11h 33m 57s |
| 2025-Sep-04, Thursday | 06:35:51 | 12:23:42 | 18:11:32 | 11h 35m 41s |
| 2025-Sep-05, Friday | 06:34:39 | 12:23:21 | 18:12:04 | 11h 37m 25s |
| 2025-Sep-06, Saturday | 06:33:26 | 12:23:01 | 18:12:36 | 11h 39m 10s |
| 2025-Sep-07, Sunday | 06:32:13 | 12:22:41 | 18:13:08 | 11h 40m 55s |
| 2025-Sep-08, Monday | 06:31:00 | 12:22:20 | 18:13:40 | 11h 42m 40s |
| 2025-Sep-09, Tuesday | 06:29:46 | 12:21:59 | 18:14:12 | 11h 44m 26s |
| 2025-Sep-10, Wednesday | 06:28:32 | 12:21:38 | 18:14:44 | 11h 46m 12s |
| 2025-Sep-11, Thursday | 06:27:18 | 12:21:17 | 18:15:15 | 11h 47m 57s |
| 2025-Sep-12, Friday | 06:26:04 | 12:20:56 | 18:15:47 | 11h 49m 43s |
| 2025-Sep-13, Saturday | 06:24:49 | 12:20:34 | 18:16:19 | 11h 51m 30s |
| 2025-Sep-14, Sunday | 06:23:34 | 12:20:13 | 18:16:51 | 11h 53m 17s |
| 2025-Sep-15, Monday | 06:22:19 | 12:19:51 | 18:17:24 | 11h 55m 5s |
| 2025-Sep-16, Tuesday | 06:21:04 | 12:19:30 | 18:17:56 | 11h 56m 52s |
| 2025-Sep-17, Wednesday | 06:19:49 | 12:19:09 | 18:18:28 | 11h 58m 39s |
| 2025-Sep-18, Thursday | 06:18:34 | 12:18:47 | 18:19:00 | 12h 0m 26s |
| 2025-Sep-19, Friday | 06:17:19 | 12:18:26 | 18:19:33 | 12h 2m 14s |
| 2025-Sep-20, Saturday | 06:16:04 | 12:18:04 | 18:20:05 | 12h 4m 1s |
| 2025-Sep-21, Sunday | 06:14:48 | 12:17:43 | 18:20:38 | 12h 5m 50s |
| 2025-Sep-22, Monday | 06:13:33 | 12:17:22 | 18:21:11 | 12h 7m 38s |
| 2025-Sep-23, Tuesday | 06:12:18 | 12:17:01 | 18:21:44 | 12h 9m 26s |
| 2025-Sep-24, Wednesday | 06:11:03 | 12:16:40 | 18:22:17 | 12h 11m 14s |
| 2025-Sep-25, Thursday | 06:09:48 | 12:16:19 | 18:22:50 | 12h 13m 2s |
| 2025-Sep-26, Friday | 06:08:33 | 12:15:59 | 18:23:24 | 12h 14m 51s |
| 2025-Sep-27, Saturday | 06:07:19 | 12:15:38 | 18:23:58 | 12h 16m 39s |
| 2025-Sep-28, Sunday | 06:06:04 | 12:15:18 | 18:24:32 | 12h 18m 28s |
| 2025-Sep-29, Monday | 06:04:50 | 12:14:58 | 18:25:06 | 12h 20m 16s |
| 2025-Sep-30, Tuesday | 06:03:36 | 12:14:39 | 18:25:41 | 12h 22m 5s |
Day length in Porto Alegre during the year on the chart:
Porto Alegre on Brazil map:
Locations in the same time zone America/Sao_Paulo
Sao Paulo (São Paulo), Rio de Janeiro (Rio de Janeiro), Santiago (Región Metropolitana), Belo Horizonte (Minas Gerais), Brasilia (Distrito Federal), Curitiba (Paraná), Campinas (São Paulo), Goiania (Goiás), Santos (São Paulo), Vitoria (Espírito Santo), Niteroi (Rio de Janeiro), Vila Velha (Espírito Santo), Florianopolis (Santa Catarina), Joinvile (Santa Catarina), Novo Hamburgo (Rio Grande do Sul), Valparaiso (Valparaíso), Iguacu (Rio de Janeiro), Sao Jose dos Campos (São Paulo), Sao Jose dos Pinhais (Paraná), Santo Andre (São Paulo), Canoas (Rio Grande do Sul), Uberlandia (Minas Gerais), Sorocaba (São Paulo), Ribeirao Preto (São Paulo), Londrina (Paraná), Jundiai (São Paulo), Americana (São Paulo), Juiz de Fora (Minas Gerais), Volta Redonda (Rio de Janeiro), Foz do Iguacu (Paraná)
Largest Populated Areas in Brazil
Sao Paulo (São Paulo), Rio de Janeiro (Rio de Janeiro), Belo Horizonte (Minas Gerais), 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), Teresina (Piauí), Novo Hamburgo (Rio Grande do Sul), Iguacu (Rio de Janeiro), Cuiaba (Mato Grosso), Campo Grande (Mato Grosso do Sul)
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