Today, Saturday, October 3, 2026, the Sun rises at 05:28 and sets at 17:43 in São José do Rio Claro (MT), local time UTC-4. Daylight lasts 12h 14min, 45s more than yesterday.
The Sun today in São José do Rio Claro
It's daytime now Sunset in 5h 53min.
Compared with yesterday, today is 45s longer, and tomorrow will be 45s longer than today: in São José do Rio Claro the days are getting longer, heading toward the December 21 solstice. Solar noon, when the Sun crosses the local meridian, falls at 11:35, which is 25 minutes before 12:00 on the clock. That gap comes from the position of São José do Rio Claro 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 | 05:07 |
| Morning golden hour | 05:28 – 05:56 |
| Sunrise | 05:28 |
| Solar noon | 11:35 |
| Evening golden hour | 17:15 – 17:43 |
| Sunset | 17:43 |
| Civil twilight ends | 18:04 |
In São José do Rio Claro civil twilight lasts 21 minutes at each end of the day today, so it is light enough to walk outdoors from 05:07 to 18:04. The golden hour, when the Sun is less than 6° above the horizon and the light is soft and warm, lasts about 28 minutes in the morning and 28 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 | 05:28 | 17:43 | 12h 14min | +45s |
| Sun, Oct 4 | 05:27 | 17:43 | 12h 15min | +45s |
| Mon, Oct 5 | 05:27 | 17:43 | 12h 16min | +45s |
| Tue, Oct 6 | 05:26 | 17:43 | 12h 16min | +45s |
| Wed, Oct 7 | 05:25 | 17:43 | 12h 17min | +44s |
| Thu, Oct 8 | 05:25 | 17:43 | 12h 18min | +45s |
| Fri, Oct 9 | 05:24 | 17:43 | 12h 19min | +44s |
Day length through the year in São José do Rio Claro
View data table
| Month | Day length |
|---|---|
| January | 12h 49min |
| February | 12h 31min |
| March | 12h 10min |
| April | 11h 47min |
| May | 11h 29min |
| June | 11h 20min |
| July | 11h 24min |
| August | 11h 39min |
| September | 12h 01min |
| October | 12h 23min |
| November | 12h 44min |
| December | 12h 55min |
How day length changes through the year in São José do Rio Claro
| Key date | Date | Sunrise | Sunset | Length |
|---|---|---|---|---|
| March equinox (start of autumn) | March 20 | 05:50 | 17:57 | 12h 6min |
| June solstice (start of winter) | June 21 | 06:08 | 17:28 | 11h 20min |
| September equinox (start of spring) | September 22 | 05:36 | 17:42 | 12h 6min |
| December solstice (start of summer) | December 21 | 05:17 | 18:12 | 12h 55min |
The longest days in São José do Rio Claro come around December, with 12h 55min of daylight, and the shortest around June, with 11h 20min. The seasonal swing is 1h 35min, a clearly noticeable change at 13.44° S, where summer evenings stay light much longer than winter ones.
Time zone and comparison with the state capital
São José do Rio Claro 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 Cuiabá, the state capital (250 km away), the Sun rises 3 min later on the clock and sets 2 min later. Today's daylight is 12h 14min here versus 12h 16min in Cuiabá.
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.
São José do Rio Claro at a glance
- StateMato Grosso (MT)
- Coordinates13.44° S, 56.72° W
- Time zoneUTC-4 (America/Porto_Velho)
- Area code (DDD)65
- IBGE code5107305
- Difference from Brasília1 hour behind Brasília
Cities near São José do Rio Claro
| City | Distance | Sunrise | Sunset |
|---|---|---|---|
| Nova Maringá | 62 km | 05:30 | 17:44 |
| Nova Mutum | 83 km | 05:25 | 17:40 |
| Tapurah | 86 km | 05:28 | 17:42 |
| Lucas do Rio Verde | 98 km | 05:25 | 17:39 |
| Nova Marilândia | 105 km | 05:29 | 17:44 |
| Diamantino | 112 km | 05:27 | 17:42 |
See also
- Sunrise and sunset in Mato Grosso and all its cities
- Sunrise and sunset in Cuiabá, the capital of Mato Grosso
- Current time in Mato Grosso
- 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.