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Time Day Length

Sunrise and Sunset times in Rio de Janeiro, Brazil

Rio de Janeiro

Brazil

Rio de Janeiro

Time zone: America/Sao_Paulo, UTC -3 h.

Latitude: -22.925, Longitude: -43.225


11 748 000 people

Date Sunrise Solar Noon Sunset Length of day
2025-Jul-01, Tuesday 06:34:18 11:56:52 17:19:26 10h 45m 8s
2025-Jul-02, Wednesday 06:34:20 11:57:03 17:19:46 10h 45m 26s
2025-Jul-03, Thursday 06:34:22 11:57:14 17:20:07 10h 45m 45s
2025-Jul-04, Friday 06:34:22 11:57:25 17:20:28 10h 46m 6s
2025-Jul-05, Saturday 06:34:21 11:57:35 17:20:50 10h 46m 29s
2025-Jul-06, Sunday 06:34:19 11:57:45 17:21:12 10h 46m 53s
2025-Jul-07, Monday 06:34:15 11:57:55 17:21:35 10h 47m 20s
2025-Jul-08, Tuesday 06:34:11 11:58:04 17:21:58 10h 47m 47s
2025-Jul-09, Wednesday 06:34:06 11:58:13 17:22:21 10h 48m 15s
2025-Jul-10, Thursday 06:33:59 11:58:22 17:22:44 10h 48m 45s
2025-Jul-11, Friday 06:33:51 11:58:30 17:23:08 10h 49m 17s
2025-Jul-12, Saturday 06:33:42 11:58:37 17:23:32 10h 49m 50s
2025-Jul-13, Sunday 06:33:32 11:58:44 17:23:56 10h 50m 24s
2025-Jul-14, Monday 06:33:21 11:58:51 17:24:21 10h 51m 0s
2025-Jul-15, Tuesday 06:33:08 11:58:57 17:24:45 10h 51m 37s
2025-Jul-16, Wednesday 06:32:54 11:59:02 17:25:10 10h 52m 16s
2025-Jul-17, Thursday 06:32:40 11:59:07 17:25:35 10h 52m 55s
2025-Jul-18, Friday 06:32:24 11:59:12 17:26:00 10h 53m 36s
2025-Jul-19, Saturday 06:32:06 11:59:16 17:26:25 10h 54m 19s
2025-Jul-20, Sunday 06:31:48 11:59:19 17:26:50 10h 55m 2s
2025-Jul-21, Monday 06:31:28 11:59:22 17:27:15 10h 55m 47s
2025-Jul-22, Tuesday 06:31:08 11:59:24 17:27:40 10h 56m 32s
2025-Jul-23, Wednesday 06:30:46 11:59:26 17:28:06 10h 57m 20s
2025-Jul-24, Thursday 06:30:23 11:59:27 17:28:31 10h 58m 8s
2025-Jul-25, Friday 06:29:59 11:59:27 17:28:56 10h 58m 57s
2025-Jul-26, Saturday 06:29:33 11:59:27 17:29:21 10h 59m 48s
2025-Jul-27, Sunday 06:29:07 11:59:26 17:29:46 11h 0m 39s
2025-Jul-28, Monday 06:28:39 11:59:25 17:30:11 11h 1m 32s
2025-Jul-29, Tuesday 06:28:10 11:59:23 17:30:36 11h 2m 26s
2025-Jul-30, Wednesday 06:27:41 11:59:21 17:31:01 11h 3m 20s
2025-Jul-31, Thursday 06:27:10 11:59:17 17:31:25 11h 4m 15s

Rio de Janeiro on Brazil map:

Cities in the same time zone America/Sao_Paulo

Sao Paulo (São Paulo), Santiago (Región Metropolitana), Belo Horizonte (Minas Gerais), Porto Alegre (Rio Grande do Sul), 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), 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), Campo Grande (Mato Grosso do Sul)




Daylight Hours FAQ: 10 Most Googled Questions Answered

1. What are daylight hours?

Daylight hours refer to the period between sunrise and sunset. This duration changes throughout the year based on season and geographic location.

2. Why are days shorter in winter and longer in summer?

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).

3. When is the longest day of the year?

Northern Hemisphere: June 20-22 (summer solstice).

Southern Hemisphere: December 21-23.

Near polar circles, the sun doesn't set for 24 hours.

4. When is the shortest day of the year?

Northern Hemisphere: December 21-22 (winter solstice).

Southern Hemisphere: June 20-21.

5. How does latitude affect daylight hours?

The closer to poles, the more extreme variations:

  • Equator: ~12-hour days year-round
  • Polar regions: Midnight sun/polar nights occur
6. Why do New York and Miami have different day lengths?

Miami's lower latitude means:

  • Winter days are longer than NY's
  • Summer days are slightly shorter
7. When are day and night equal?

During equinoxes:

  • Spring: March 20-21
  • Fall: September 22-23
How fast do days lengthen/shorten?

Most rapid change near equinoxes: 2-4 minutes daily.

Slowest change near solstices: <1 minute daily.

9. Where can I check daylight hours for my city?

Reliable tools:

  • Timeanddate.com
  • SunCalc.org
  • Photographer's Ephemeris app
10. Does daylight affect health?

Yes. Reduced winter sunlight may cause:

  • Seasonal Affective Disorder (SAD)
  • Vitamin D deficiency

Solution: Light therapy lamps & midday walks

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