Today, Thursday, October 29, 2026, the Sun rises at 05:43 and sets at 18:10 in Monte Negro (RO), local time UTC-4. Daylight lasts 12h 27min, 32s more than yesterday.
The Sun today in Monte Negro
It's nighttime now Sunrise in 10h 59min.
Compared with yesterday, today is 32s longer, and tomorrow will be 31s longer than today: in Monte Negro the days are getting longer, heading toward the December 21 solstice. Solar noon, when the Sun crosses the local meridian, falls at 11:56, which is 4 minutes before 12:00 on the clock. That gap comes from the position of Monte Negro inside its time zone (UTC-4) and from the equation of time, which moves solar noon by up to 16 minutes through the year.
Twilight and golden hour
| Phase | Time |
|---|---|
| Civil twilight begins | 05:21 |
| Morning golden hour | 05:43 – 06:11 |
| Sunrise | 05:43 |
| Solar noon | 11:56 |
| Evening golden hour | 17:41 – 18:10 |
| Sunset | 18:10 |
| Civil twilight ends | 18:32 |
In Monte Negro civil twilight lasts 22 minutes at each end of the day today, so it is light enough to walk outdoors from 05:21 to 18:32. The golden hour, when the Sun is less than 6° above the horizon and the light is soft and warm, lasts about 29 minutes in the morning and 29 minutes in the evening (photographers also use it for the best light on landscapes and portraits).
Next 7 days
| Date | Sunrise | Sunset | Length | Change |
|---|---|---|---|---|
| Thu, Oct 29 | 05:43 | 18:10 | 12h 27min | +32s |
| Fri, Oct 30 | 05:43 | 18:10 | 12h 27min | +31s |
| Sat, Oct 31 | 05:42 | 18:10 | 12h 28min | +31s |
| Sun, Nov 1 | 05:42 | 18:11 | 12h 28min | +30s |
| Mon, Nov 2 | 05:42 | 18:11 | 12h 29min | +31s |
| Tue, Nov 3 | 05:41 | 18:11 | 12h 29min | +31s |
| Wed, Nov 4 | 05:41 | 18:11 | 12h 30min | +29s |
Day length through the year in Monte Negro
View data table
| Month | Day length |
|---|---|
| January | 12h 39min |
| February | 12h 25min |
| March | 12h 09min |
| April | 11h 52min |
| May | 11h 38min |
| June | 11h 31min |
| July | 11h 34min |
| August | 11h 46min |
| September | 12h 02min |
| October | 12h 19min |
| November | 12h 35min |
| December | 12h 43min |
How day length changes through the year in Monte Negro
| Key date | Date | Sunrise | Sunset | Length |
|---|---|---|---|---|
| March equinox (start of autumn) | March 20 | 06:17 | 18:23 | 12h 6min |
| June solstice (start of winter) | June 21 | 06:29 | 18:00 | 11h 31min |
| September equinox (start of spring) | September 22 | 06:02 | 18:09 | 12h 6min |
| December solstice (start of summer) | December 21 | 05:49 | 18:33 | 12h 43min |
The longest days in Monte Negro come around December, with 12h 43min of daylight, and the shortest around June, with 11h 31min. The seasonal swing is 1h 12min, a modest change typical of the tropics (10.25° S).
Time zone and comparison with the state capital
Monte Negro uses 1 hour behind Brasília (UTC-4). This is the Amazon time zone, used in the states of Mato Grosso, Mato Grosso do Sul, Rondônia, Roraima and most of Amazonas. Compared with Porto Velho, the state capital (178 km away), the Sun rises 4 min earlier on the clock and sets at practically the same clock time. Today's daylight is 12h 27min here versus 12h 24min in Porto Velho.
Moon today
Today the Moon is Waning Gibbous, with about 79% of its disc lit and an age of 19.3 days. See the full moon calendar.
Monte Negro at a glance
- StateRondônia (RO)
- Coordinates10.25° S, 63.29° W
- Time zoneUTC-4 (America/Porto_Velho)
- Area code (DDD)69
- IBGE code1101401
- Difference from Brasília1 hour behind Brasília
Cities near Monte Negro
| City | Distance | Sunrise | Sunset |
|---|---|---|---|
| Cacaulândia | 44 km | 05:41 | 18:08 |
| Ariquemes | 47 km | 05:42 | 18:09 |
| Campo Novo de Rondônia | 52 km | 05:44 | 18:12 |
| Alto Paraíso | 59 km | 05:44 | 18:09 |
| Buritis | 60 km | 05:45 | 18:12 |
| Governador Jorge Teixeira | 73 km | 05:40 | 18:08 |
See also
- Sunrise and sunset in Rondônia and all its cities
- Sunrise and sunset in Porto Velho, the capital of Rondônia
- Current time in Rondônia
- Sunrise and sunset in every state and country · Start of the seasons
Times are calculated astronomically for the urban centre and are accurate to about a minute; sunrise and sunset use the upper edge of the Sun and atmospheric refraction. Hills and buildings can change the visible time.