Question 1

How many hours of daylight does Rio de Janeiro get today?

Accepted Answer

Rio de Janeiro currently gets approximately 12 hours and 48 minutes of daylight today. This varies throughout the year — days are longest around the summer solstice (June in the Northern Hemisphere, December in the Southern Hemisphere) and shortest around the winter solstice. Because Rio de Janeiro is near the equator, day length stays relatively consistent, typically between 11 and 13 hours. Our calculations use the SunCalc astronomical library for accuracy within 1–2 minutes.

Question 2

What time does the sun rise in Rio de Janeiro?

Accepted Answer

Sunrise times in Rio de Janeiro change throughout the year based on the Earth's axial tilt and the city's position at 22.9° latitude. Use the table above to see today's exact sunrise time, as well as dawn (civil twilight) and other twilight phases. The earliest sunrise typically occurs around the summer solstice, while the latest sunrise happens near the winter solstice. Near the equator, sunrise times vary by less than an hour across the year. All sunrise calculations are based on NOAA solar position algorithms via the SunCalc library.

Question 3

What time does the sun set in Rio de Janeiro?

Accepted Answer

Sunset times in Rio de Janeiro vary by season due to the Earth's orbital mechanics and the city's latitude of 22.9°. Check the table above for today's exact sunset time, including dusk and twilight phases. The latest sunset typically occurs a few days after the summer solstice, while the earliest sunset happens a few days before the winter solstice. Near the equator, sunset times remain fairly consistent throughout the year, typically varying by less than an hour.

Question 4

How does day length change throughout the year in Rio de Janeiro?

Accepted Answer

Rio de Janeiro is located near the equator at 22.9° latitude, so day length varies relatively little throughout the year — typically between about 11 and 13 hours. The sun rises and sets at roughly the same time year-round, and twilight transitions are short and abrupt compared to higher latitudes. This consistency makes Rio de Janeiro one of the more predictable locations for planning outdoor activities. The slight variation that does occur peaks around the equinoxes in March and September.

Question 5

What is civil twilight in Rio de Janeiro?

Accepted Answer

Civil twilight in Rio de Janeiro is the period when the sun is between 0° and 6° below the horizon. During civil twilight, there is enough natural light for most outdoor activities without artificial lighting. It occurs just before sunrise (dawn) and just after sunset (dusk). Near the equator, civil twilight is relatively short, typically lasting only 20–25 minutes. The exact duration for Rio de Janeiro is shown in the twilight data table above.

Question 6

What are the different twilight phases?

Accepted Answer

There are three twilight phases, each defined by the sun's angle below the horizon. Civil twilight (0°–6°) is the brightest phase, with enough light for outdoor activities without artificial lighting. Nautical twilight (6°–12°) is dimmer but still allows sailors to see the horizon for celestial navigation. Astronomical twilight (12°–18°) is nearly dark, with only the faintest glow on the horizon, and most stars become visible. Below 18° is considered full astronomical night. The duration of each phase varies by latitude and season — our data table above shows all twilight phases for Rio de Janeiro.

Question 7

When is the longest day in Rio de Janeiro?

Accepted Answer

The longest day in Rio de Janeiro occurs around the summer solstice. For Rio de Janeiro in the Southern Hemisphere, the longest day is around December 21–22. On this date, Rio de Janeiro experiences its earliest sunrise and near-latest sunset of the year. Near the equator, the longest day is only slightly longer than the shortest, differing by about 1–2 hours. The shortest day (winter solstice) occurs approximately six months later.

Question 8

Does daylight saving time affect sunrise and sunset times in Rio de Janeiro?

Accepted Answer

Rio de Janeiro does not observe daylight saving time, so sunrise and sunset times change only due to natural seasonal variation throughout the year. The gradual shift in sunrise and sunset times follows a smooth curve driven by the Earth's axial tilt and orbital position. This makes it easier to predict sunrise and sunset patterns in Rio de Janeiro compared to cities that observe DST, where clock changes create abrupt jumps in the schedule.

Astronomical Dawn	3:56:05 AM
Nautical Dawn	4:23:49 AM
Civil Dawn	4:51:03 AM
Sunrise	5:14:12 AM
Golden Hour End	5:44:30 AM
Solar Noon	11:38:04 AM
Golden Hour Start	5:31:37 PM
Sunset	6:01:55 PM
Civil Dusk	6:25:04 PM
Nautical Dusk	6:52:18 PM
Astronomical Dusk	7:20:02 PM
Day Length	12h 48m

Moonrise	4:37:06 PM
Moonset	3:51:00 AM
Moon Phase	🌕 Full Moon
Illumination	97%

Date	Sunrise	Sunset	Day Length	Moonrise	Moonset	Phase
Oct 1, Thu	5:34 AM	5:52 PM	12h 18m	9:59 PM	8:54 AM	🌖
Oct 2, Fri	5:33 AM	5:52 PM	12h 19m	11:07 PM	9:55 AM	🌗
Oct 3, Sat	5:32 AM	5:53 PM	12h 21m	12:12 AM	11:02 AM	🌗
Oct 4, Sun	5:31 AM	5:53 PM	12h 22m	1:10 AM	12:10 PM	🌗
Oct 5, Mon	5:30 AM	5:53 PM	12h 23m	2:02 AM	1:17 PM	🌘
Oct 6, Tue	5:29 AM	5:54 PM	12h 25m	2:47 AM	2:21 PM	🌘
Oct 7, Wed	5:28 AM	5:54 PM	12h 26m	3:27 AM	3:21 PM	🌘
Oct 8, Thu	5:27 AM	5:55 PM	12h 27m	4:02 AM	4:19 PM	🌘
Oct 9, Fri	5:26 AM	5:55 PM	12h 28m	4:37 AM	5:16 PM	🌑
Oct 10, Sat	5:25 AM	5:55 PM	12h 30m	5:10 AM	6:11 PM	🌑
Oct 11, Sun	5:25 AM	5:56 PM	12h 31m	5:45 AM	7:07 PM	🌑
Oct 12, Mon	5:24 AM	5:56 PM	12h 32m	6:21 AM	8:03 PM	🌒
Oct 13, Tue	5:23 AM	5:56 PM	12h 34m	7:00 AM	8:59 PM	🌒
Oct 14, Wed	5:22 AM	5:57 PM	12h 35m	7:44 AM	—	🌒
Oct 15, Thu	5:21 AM	5:57 PM	12h 36m	8:31 AM	9:53 PM	🌒
Oct 16, Fri	5:20 AM	5:58 PM	12h 38m	9:22 AM	10:45 PM	🌓
Oct 17, Sat	5:19 AM	5:58 PM	12h 39m	10:15 AM	11:34 PM	🌓
Oct 18, Sun	5:18 AM	5:59 PM	12h 40m	11:09 AM	12:19 AM	🌓
Oct 19, Mon	5:18 AM	5:59 PM	12h 41m	12:03 PM	1:00 AM	🌓
Oct 20, Tue	5:17 AM	5:59 PM	12h 43m	12:57 PM	1:37 AM	🌓
Oct 21, Wed	5:16 AM	6:00 PM	12h 44m	1:52 PM	2:11 AM	🌔
Oct 22, Thu	5:15 AM	6:00 PM	12h 45m	2:46 PM	2:44 AM	🌔
Oct 23, Fri	5:14 AM	6:01 PM	12h 46m	3:40 PM	3:16 AM	🌔
Oct 24, Sat	5:14 AM	6:01 PM	12h 48m	4:37 PM	3:51 AM	🌕
Oct 25, Sun	5:13 AM	6:02 PM	12h 49m	5:36 PM	4:25 AM	🌕
Oct 26, Mon	5:12 AM	6:02 PM	12h 50m	6:39 PM	5:05 AM	🌕
Oct 27, Tue	5:12 AM	6:03 PM	12h 51m	7:45 PM	5:51 AM	🌕
Oct 28, Wed	5:11 AM	6:03 PM	12h 53m	8:52 PM	6:42 AM	🌖
Oct 29, Thu	5:10 AM	6:04 PM	12h 54m	—	7:41 AM	🌖
Oct 30, Fri	5:10 AM	6:05 PM	12h 55m	9:57 PM	8:46 AM	🌖
Oct 31, Sat	5:09 AM	6:05 PM	12h 56m	10:58 PM	9:54 AM	🌗

Sunrise & Sunset in Rio de Janeiro, Brazil

Sun Times

Moon

Monthly Summary — October 2026

Twilight Phases in Rio de Janeiro

Holidays in Brazil

Explore Rio de Janeiro

Frequently Asked Questions about Sunrise & Sunset in Rio de Janeiro

Sunrise & Sunset in Other Cities