Today, Saturday, October 3, 2026, the Sun rises at 06:05 and sets at 18:12 in Santa Isabel do Rio Negro (AM), local time UTC-4. Daylight lasts 12h 6min, 2s more than yesterday.
The Sun today in Santa Isabel do Rio Negro
It's daytime now Sunset in 6h 22min.
Compared with yesterday, today is 2s longer, and tomorrow will be 1s longer than today: in Santa Isabel do Rio Negro the days are getting longer, heading toward the December 21 solstice. Solar noon, when the Sun crosses the local meridian, falls at 12:09, which is 9 minutes after 12:00 on the clock. That gap comes from the position of Santa Isabel do Rio 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 | 05:44 |
| Morning golden hour | 06:05 – 06:32 |
| Sunrise | 06:05 |
| Solar noon | 12:09 |
| Evening golden hour | 17:45 – 18:12 |
| Sunset | 18:12 |
| Civil twilight ends | 18:33 |
In Santa Isabel do Rio Negro civil twilight lasts 21 minutes at each end of the day today, so it is light enough to walk outdoors from 05:44 to 18:33. The golden hour, when the Sun is less than 6° above the horizon and the light is soft and warm, lasts about 27 minutes in the morning and 27 minutes in the evening (photographers also use it for the best light on landscapes and portraits).
Next 7 days
| Date | Sunrise | Sunset | Length | Change |
|---|---|---|---|---|
| Sat, Oct 3 | 06:05 | 18:12 | 12h 6min | +2s |
| Sun, Oct 4 | 06:05 | 18:12 | 12h 6min | +1s |
| Mon, Oct 5 | 06:05 | 18:11 | 12h 6min | +2s |
| Tue, Oct 6 | 06:04 | 18:11 | 12h 6min | +2s |
| Wed, Oct 7 | 06:04 | 18:11 | 12h 6min | +1s |
| Thu, Oct 8 | 06:04 | 18:10 | 12h 6min | +2s |
| Fri, Oct 9 | 06:03 | 18:10 | 12h 6min | +2s |
Day length through the year in Santa Isabel do Rio Negro
View data table
| Month | Day length |
|---|---|
| January | 12h 08min |
| February | 12h 07min |
| March | 12h 06min |
| April | 12h 06min |
| May | 12h 05min |
| June | 12h 05min |
| July | 12h 05min |
| August | 12h 05min |
| September | 12h 06min |
| October | 12h 07min |
| November | 12h 08min |
| December | 12h 08min |
How day length changes through the year in Santa Isabel do Rio Negro
| Key date | Date | Sunrise | Sunset | Length |
|---|---|---|---|---|
| March equinox (start of autumn) | March 20 | 06:24 | 18:30 | 12h 6min |
| June solstice (start of winter) | June 21 | 06:18 | 18:24 | 12h 5min |
| September equinox (start of spring) | September 22 | 06:09 | 18:15 | 12h 6min |
| December solstice (start of summer) | December 21 | 06:13 | 18:22 | 12h 8min |
The longest days in Santa Isabel do Rio Negro come around December, with 12h 8min of daylight, and the shortest around June, with 12h 5min. The seasonal swing is 0h 3min, so the length of the day is almost constant all year, as expected this close to the equator (0.41° S).
Time zone and comparison with the state capital
Santa Isabel do Rio 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 Manaus, the state capital (631 km away), the Sun rises 21 min later on the clock and sets 19 min later. Today's daylight is 12h 6min here versus 12h 8min in Manaus.
Moon today
Today the Moon is Last Quarter, with about 46% of its disc lit and an age of 22.5 days. See the full moon calendar.
Santa Isabel do Rio Negro at a glance
- StateAmazonas (AM)
- Coordinates0.41° S, 65.01° W
- Time zoneUTC-4 (America/Porto_Velho)
- Area code (DDD)97
- IBGE code1303601
- Difference from Brasília1 hour behind Brasília
Cities near Santa Isabel do Rio Negro
| City | Distance | Sunrise | Sunset |
|---|---|---|---|
| Maraã | 172 km | 06:07 | 18:15 |
| São Gabriel da Cachoeira | 233 km | 06:14 | 18:20 |
| Barcelos | 240 km | 05:57 | 18:04 |
| Fonte Boa | 264 km | 06:09 | 18:17 |
| Japurá | 269 km | 06:12 | 18:20 |
| Uarini | 288 km | 06:05 | 18:13 |
See also
- Sunrise and sunset in Amazonas and all its cities
- Sunrise and sunset in Manaus, the capital of Amazonas
- Current time in Amazonas
- 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.