Sunrise and Sunset times in Ariquemes, Brazil 
Today:
 Sunrise: 05:46:26
|
 Sunset: 18:07:58
|
Day Length: 12h 21m 32s
Time zone: America/Porto_Velho, UTC -4 h.
Latitude: -9.9396, Longitude: -63.08
Ariquemes
Rondônia, Brazil 
58 096 people
| Date | Sunrise | Solar Noon | Sunset | Day length |
|---|---|---|---|---|
| 2025-Oct-01, Wednesday | 05:55:56 | 12:01:50 | 18:07:43 | 12h 11m 47s |
| 2025-Oct-02, Thursday | 05:55:21 | 12:01:31 | 18:07:41 | 12h 12m 20s |
| 2025-Oct-03, Friday | 05:54:46 | 12:01:12 | 18:07:38 | 12h 12m 52s |
| 2025-Oct-04, Saturday | 05:54:11 | 12:00:54 | 18:07:36 | 12h 13m 25s |
| 2025-Oct-05, Sunday | 05:53:36 | 12:00:36 | 18:07:35 | 12h 13m 59s |
| 2025-Oct-06, Monday | 05:53:02 | 12:00:18 | 18:07:33 | 12h 14m 31s |
| 2025-Oct-07, Tuesday | 05:52:29 | 12:00:01 | 18:07:33 | 12h 15m 4s |
| 2025-Oct-08, Wednesday | 05:51:55 | 11:59:44 | 18:07:32 | 12h 15m 37s |
| 2025-Oct-09, Thursday | 05:51:23 | 11:59:27 | 18:07:32 | 12h 16m 9s |
| 2025-Oct-10, Friday | 05:50:51 | 11:59:11 | 18:07:32 | 12h 16m 41s |
| 2025-Oct-11, Saturday | 05:50:19 | 11:58:56 | 18:07:33 | 12h 17m 14s |
| 2025-Oct-12, Sunday | 05:49:48 | 11:58:41 | 18:07:35 | 12h 17m 47s |
| 2025-Oct-13, Monday | 05:49:17 | 11:58:27 | 18:07:36 | 12h 18m 19s |
| 2025-Oct-14, Tuesday | 05:48:47 | 11:58:13 | 18:07:39 | 12h 18m 52s |
| 2025-Oct-15, Wednesday | 05:48:17 | 11:57:59 | 18:07:41 | 12h 19m 24s |
| 2025-Oct-16, Thursday | 05:47:49 | 11:57:47 | 18:07:45 | 12h 19m 56s |
| 2025-Oct-17, Friday | 05:47:20 | 11:57:34 | 18:07:49 | 12h 20m 29s |
| 2025-Oct-18, Saturday | 05:46:53 | 11:57:23 | 18:07:53 | 12h 21m 0s |
| 2025-Oct-19, Sunday | 05:46:26 | 11:57:12 | 18:07:58 | 12h 21m 32s |
| 2025-Oct-20, Monday | 05:46:00 | 11:57:02 | 18:08:04 | 12h 22m 4s |
| 2025-Oct-21, Tuesday | 05:45:34 | 11:56:52 | 18:08:10 | 12h 22m 36s |
| 2025-Oct-22, Wednesday | 05:45:10 | 11:56:43 | 18:08:16 | 12h 23m 6s |
| 2025-Oct-23, Thursday | 05:44:46 | 11:56:35 | 18:08:24 | 12h 23m 38s |
| 2025-Oct-24, Friday | 05:44:23 | 11:56:27 | 18:08:32 | 12h 24m 9s |
| 2025-Oct-25, Saturday | 05:44:00 | 11:56:20 | 18:08:40 | 12h 24m 40s |
| 2025-Oct-26, Sunday | 05:43:39 | 11:56:14 | 18:08:49 | 12h 25m 10s |
| 2025-Oct-27, Monday | 05:43:18 | 11:56:09 | 18:08:59 | 12h 25m 41s |
| 2025-Oct-28, Tuesday | 05:42:58 | 11:56:04 | 18:09:10 | 12h 26m 12s |
| 2025-Oct-29, Wednesday | 05:42:39 | 11:56:00 | 18:09:21 | 12h 26m 42s |
| 2025-Oct-30, Thursday | 05:42:21 | 11:55:57 | 18:09:33 | 12h 27m 12s |
| 2025-Oct-31, Friday | 05:42:04 | 11:55:55 | 18:09:45 | 12h 27m 41s |
Day length in Ariquemes during the year on the chart:
Ariquemes on Brazil map:
Locations in the same time zone America/Porto_Velho
Porto Velho (Rondônia), Guajara-Mirim (Rondônia), Ji-Parana (Rondônia), Vilhena (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)
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