Sunrise and Sunset times in Ariquemes, Brazil 
Today:
 Sunrise: 05:42:43
|
 Sunset: 18:23:28
|
Day Length: 12h 40m 45s
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-Dec-01, Monday | 05:41:35 | 12:01:29 | 18:21:24 | 12h 39m 49s |
| 2025-Dec-02, Tuesday | 05:41:50 | 12:01:52 | 18:21:55 | 12h 40m 5s |
| 2025-Dec-03, Wednesday | 05:42:07 | 12:02:16 | 18:22:25 | 12h 40m 18s |
| 2025-Dec-04, Thursday | 05:42:24 | 12:02:40 | 18:22:56 | 12h 40m 32s |
| 2025-Dec-05, Friday | 05:42:43 | 12:03:05 | 18:23:28 | 12h 40m 45s |
| 2025-Dec-06, Saturday | 05:43:02 | 12:03:31 | 18:23:59 | 12h 40m 57s |
| 2025-Dec-07, Sunday | 05:43:22 | 12:03:56 | 18:24:31 | 12h 41m 9s |
| 2025-Dec-08, Monday | 05:43:43 | 12:04:23 | 18:25:02 | 12h 41m 19s |
| 2025-Dec-09, Tuesday | 05:44:05 | 12:04:50 | 18:25:34 | 12h 41m 29s |
| 2025-Dec-10, Wednesday | 05:44:28 | 12:05:17 | 18:26:06 | 12h 41m 38s |
| 2025-Dec-11, Thursday | 05:44:51 | 12:05:44 | 18:26:38 | 12h 41m 47s |
| 2025-Dec-12, Friday | 05:45:15 | 12:06:12 | 18:27:09 | 12h 41m 54s |
| 2025-Dec-13, Saturday | 05:45:40 | 12:06:41 | 18:27:41 | 12h 42m 1s |
| 2025-Dec-14, Sunday | 05:46:06 | 12:07:09 | 18:28:13 | 12h 42m 7s |
| 2025-Dec-15, Monday | 05:46:32 | 12:07:38 | 18:28:44 | 12h 42m 12s |
| 2025-Dec-16, Tuesday | 05:46:59 | 12:08:07 | 18:29:16 | 12h 42m 17s |
| 2025-Dec-17, Wednesday | 05:47:26 | 12:08:37 | 18:29:47 | 12h 42m 21s |
| 2025-Dec-18, Thursday | 05:47:55 | 12:09:06 | 18:30:18 | 12h 42m 23s |
| 2025-Dec-19, Friday | 05:48:23 | 12:09:36 | 18:30:48 | 12h 42m 25s |
| 2025-Dec-20, Saturday | 05:48:52 | 12:10:05 | 18:31:19 | 12h 42m 27s |
| 2025-Dec-21, Sunday | 05:49:22 | 12:10:35 | 18:31:49 | 12h 42m 27s |
| 2025-Dec-22, Monday | 05:49:52 | 12:11:05 | 18:32:18 | 12h 42m 26s |
| 2025-Dec-23, Tuesday | 05:50:22 | 12:11:35 | 18:32:47 | 12h 42m 25s |
| 2025-Dec-24, Wednesday | 05:50:53 | 12:12:05 | 18:33:16 | 12h 42m 23s |
| 2025-Dec-25, Thursday | 05:51:24 | 12:12:34 | 18:33:44 | 12h 42m 20s |
| 2025-Dec-26, Friday | 05:51:56 | 12:13:04 | 18:34:12 | 12h 42m 16s |
| 2025-Dec-27, Saturday | 05:52:28 | 12:13:34 | 18:34:39 | 12h 42m 11s |
| 2025-Dec-28, Sunday | 05:53:00 | 12:14:03 | 18:35:06 | 12h 42m 6s |
| 2025-Dec-29, Monday | 05:53:32 | 12:14:32 | 18:35:32 | 12h 42m 0s |
| 2025-Dec-30, Tuesday | 05:54:04 | 12:15:01 | 18:35:58 | 12h 41m 54s |
| 2025-Dec-31, Wednesday | 05:54:37 | 12:15:30 | 18:36:22 | 12h 41m 45s |
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