Sunrise and Sunset times in Porto Velho, Brazil 
Porto Velho
Rondônia, Brazil
306 180 people
Today:
 Sunrise: 06:15:18
|
 Sunset: 18:13:40
|
Day Length: 11h 58m 22s
Time zone: America/Porto_Velho, UTC -4 h.
Latitude: -8.75, Longitude: -63.9
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Sep-01, Monday | 06:16:58 | 12:15:28 | 18:13:58 | 11h 57m 0s |
| 2025-Sep-02, Tuesday | 06:16:25 | 12:15:08 | 18:13:52 | 11h 57m 27s |
| 2025-Sep-03, Wednesday | 06:15:52 | 12:14:49 | 18:13:46 | 11h 57m 54s |
| 2025-Sep-04, Thursday | 06:15:18 | 12:14:29 | 18:13:40 | 11h 58m 22s |
| 2025-Sep-05, Friday | 06:14:44 | 12:14:09 | 18:13:33 | 11h 58m 49s |
| 2025-Sep-06, Saturday | 06:14:10 | 12:13:48 | 18:13:27 | 11h 59m 17s |
| 2025-Sep-07, Sunday | 06:13:36 | 12:13:28 | 18:13:20 | 11h 59m 44s |
| 2025-Sep-08, Monday | 06:13:01 | 12:13:07 | 18:13:13 | 12h 0m 12s |
| 2025-Sep-09, Tuesday | 06:12:26 | 12:12:46 | 18:13:06 | 12h 0m 40s |
| 2025-Sep-10, Wednesday | 06:11:51 | 12:12:25 | 18:12:59 | 12h 1m 8s |
| 2025-Sep-11, Thursday | 06:11:16 | 12:12:04 | 18:12:52 | 12h 1m 36s |
| 2025-Sep-12, Friday | 06:10:41 | 12:11:43 | 18:12:45 | 12h 2m 4s |
| 2025-Sep-13, Saturday | 06:10:05 | 12:11:22 | 18:12:38 | 12h 2m 33s |
| 2025-Sep-14, Sunday | 06:09:30 | 12:11:00 | 18:12:31 | 12h 3m 1s |
| 2025-Sep-15, Monday | 06:08:54 | 12:10:39 | 18:12:23 | 12h 3m 29s |
| 2025-Sep-16, Tuesday | 06:08:18 | 12:10:17 | 18:12:16 | 12h 3m 58s |
| 2025-Sep-17, Wednesday | 06:07:43 | 12:09:56 | 18:12:09 | 12h 4m 26s |
| 2025-Sep-18, Thursday | 06:07:07 | 12:09:34 | 18:12:02 | 12h 4m 55s |
| 2025-Sep-19, Friday | 06:06:31 | 12:09:13 | 18:11:55 | 12h 5m 24s |
| 2025-Sep-20, Saturday | 06:05:55 | 12:08:52 | 18:11:48 | 12h 5m 53s |
| 2025-Sep-21, Sunday | 06:05:20 | 12:08:30 | 18:11:41 | 12h 6m 21s |
| 2025-Sep-22, Monday | 06:04:44 | 12:08:09 | 18:11:34 | 12h 6m 50s |
| 2025-Sep-23, Tuesday | 06:04:09 | 12:07:48 | 18:11:28 | 12h 7m 19s |
| 2025-Sep-24, Wednesday | 06:03:34 | 12:07:27 | 18:11:21 | 12h 7m 47s |
| 2025-Sep-25, Thursday | 06:02:58 | 12:07:07 | 18:11:15 | 12h 8m 17s |
| 2025-Sep-26, Friday | 06:02:23 | 12:06:46 | 18:11:09 | 12h 8m 46s |
| 2025-Sep-27, Saturday | 06:01:49 | 12:06:26 | 18:11:03 | 12h 9m 14s |
| 2025-Sep-28, Sunday | 06:01:14 | 12:06:05 | 18:10:57 | 12h 9m 43s |
| 2025-Sep-29, Monday | 06:00:40 | 12:05:46 | 18:10:52 | 12h 10m 12s |
| 2025-Sep-30, Tuesday | 06:00:05 | 12:05:26 | 18:10:46 | 12h 10m 41s |
Day length in Porto Velho during the year on the chart:
Porto Velho on Brazil map:
Locations in the same time zone America/Porto_Velho
Guajara-Mirim (Rondônia), Ji-Parana (Rondônia), Vilhena (Rondônia), Ariquemes (Rondônia), Pimenta Bueno (Rondônia), Rolim de Moura (Rondônia)
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