Sunrise and Sunset times in Rio Branco, Brazil 
Rio Branco
Acre, Brazil
257 642 people
Today:
 Sunrise: 05:30:17
|
 Sunset: 17:28:31
|
Day Length: 11h 58m 14s
Time zone: America/Rio_Branco, UTC -5 h.
Latitude: -9.9666, Longitude: -67.8
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Sep-01, Monday | 05:33:15 | 11:31:03 | 17:28:52 | 11h 55m 37s |
| 2025-Sep-02, Tuesday | 05:32:40 | 11:30:44 | 17:28:48 | 11h 56m 8s |
| 2025-Sep-03, Wednesday | 05:32:05 | 11:30:24 | 17:28:44 | 11h 56m 39s |
| 2025-Sep-04, Thursday | 05:31:29 | 11:30:05 | 17:28:40 | 11h 57m 11s |
| 2025-Sep-05, Friday | 05:30:53 | 11:29:44 | 17:28:36 | 11h 57m 43s |
| 2025-Sep-06, Saturday | 05:30:17 | 11:29:24 | 17:28:31 | 11h 58m 14s |
| 2025-Sep-07, Sunday | 05:29:41 | 11:29:04 | 17:28:26 | 11h 58m 45s |
| 2025-Sep-08, Monday | 05:29:04 | 11:28:43 | 17:28:21 | 11h 59m 17s |
| 2025-Sep-09, Tuesday | 05:28:27 | 11:28:22 | 17:28:17 | 11h 59m 50s |
| 2025-Sep-10, Wednesday | 05:27:50 | 11:28:01 | 17:28:12 | 12h 0m 22s |
| 2025-Sep-11, Thursday | 05:27:13 | 11:27:40 | 17:28:06 | 12h 0m 53s |
| 2025-Sep-12, Friday | 05:26:36 | 11:27:19 | 17:28:01 | 12h 1m 25s |
| 2025-Sep-13, Saturday | 05:25:58 | 11:26:57 | 17:27:56 | 12h 1m 58s |
| 2025-Sep-14, Sunday | 05:25:21 | 11:26:36 | 17:27:51 | 12h 2m 30s |
| 2025-Sep-15, Monday | 05:24:43 | 11:26:14 | 17:27:46 | 12h 3m 3s |
| 2025-Sep-16, Tuesday | 05:24:06 | 11:25:53 | 17:27:41 | 12h 3m 35s |
| 2025-Sep-17, Wednesday | 05:23:28 | 11:25:32 | 17:27:35 | 12h 4m 7s |
| 2025-Sep-18, Thursday | 05:22:50 | 11:25:10 | 17:27:30 | 12h 4m 40s |
| 2025-Sep-19, Friday | 05:22:12 | 11:24:49 | 17:27:25 | 12h 5m 13s |
| 2025-Sep-20, Saturday | 05:21:35 | 11:24:27 | 17:27:20 | 12h 5m 45s |
| 2025-Sep-21, Sunday | 05:20:57 | 11:24:06 | 17:27:15 | 12h 6m 18s |
| 2025-Sep-22, Monday | 05:20:19 | 11:23:45 | 17:27:11 | 12h 6m 52s |
| 2025-Sep-23, Tuesday | 05:19:42 | 11:23:24 | 17:27:06 | 12h 7m 24s |
| 2025-Sep-24, Wednesday | 05:19:04 | 11:23:03 | 17:27:02 | 12h 7m 58s |
| 2025-Sep-25, Thursday | 05:18:27 | 11:22:42 | 17:26:57 | 12h 8m 30s |
| 2025-Sep-26, Friday | 05:17:50 | 11:22:22 | 17:26:53 | 12h 9m 3s |
| 2025-Sep-27, Saturday | 05:17:13 | 11:22:01 | 17:26:49 | 12h 9m 36s |
| 2025-Sep-28, Sunday | 05:16:37 | 11:21:41 | 17:26:46 | 12h 10m 9s |
| 2025-Sep-29, Monday | 05:16:00 | 11:21:21 | 17:26:42 | 12h 10m 42s |
| 2025-Sep-30, Tuesday | 05:15:24 | 11:21:02 | 17:26:39 | 12h 11m 15s |
Day length in Rio Branco during the year on the chart:
Rio Branco on Brazil map:
Locations in the same time zone America/Rio_Branco
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), Teresina (Piauí), Novo Hamburgo (Rio Grande do Sul), Iguacu (Rio de Janeiro), Cuiaba (Mato Grosso)
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