Today, Thursday, October 29, 2026, the Sun rises at 04:54 and sets at 17:34 in Ribeirãozinho (MT), local time UTC-4. Daylight lasts 12h 39min, 51s more than yesterday.
The Sun today in Ribeirãozinho
It's nighttime now Sunrise in 10h 32min.
Compared with yesterday, today is 51s longer, and tomorrow will be 50s longer than today: in Ribeirãozinho the days are getting longer, heading toward the December 21 solstice. Solar noon, when the Sun crosses the local meridian, falls at 11:14, which is 46 minutes before 12:00 on the clock. That gap comes from the position of Ribeirãozinho 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 | 04:32 |
| Morning golden hour | 04:54 – 05:23 |
| Sunrise | 04:54 |
| Solar noon | 11:14 |
| Evening golden hour | 17:05 – 17:34 |
| Sunset | 17:34 |
| Civil twilight ends | 17:56 |
In Ribeirãozinho civil twilight lasts 22 minutes at each end of the day today, so it is light enough to walk outdoors from 04:32 to 17:56. 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 | 04:54 | 17:34 | 12h 39min | +51s |
| Fri, Oct 30 | 04:54 | 17:34 | 12h 40min | +50s |
| Sat, Oct 31 | 04:53 | 17:35 | 12h 41min | +50s |
| Sun, Nov 1 | 04:53 | 17:35 | 12h 42min | +51s |
| Mon, Nov 2 | 04:52 | 17:36 | 12h 43min | +49s |
| Tue, Nov 3 | 04:52 | 17:36 | 12h 44min | +48s |
| Wed, Nov 4 | 04:51 | 17:36 | 12h 44min | +49s |
Day length through the year in Ribeirãozinho
View data table
| Month | Day length |
|---|---|
| January | 12h 59min |
| February | 12h 37min |
| March | 12h 11min |
| April | 11h 43min |
| May | 11h 20min |
| June | 11h 09min |
| July | 11h 14min |
| August | 11h 33min |
| September | 12h 00min |
| October | 12h 27min |
| November | 12h 53min |
| December | 13h 06min |
How day length changes through the year in Ribeirãozinho
| Key date | Date | Sunrise | Sunset | Length |
|---|---|---|---|---|
| March equinox (start of autumn) | March 20 | 05:34 | 17:41 | 12h 6min |
| June solstice (start of winter) | June 21 | 05:58 | 17:07 | 11h 8min |
| September equinox (start of spring) | September 22 | 05:20 | 17:26 | 12h 6min |
| December solstice (start of summer) | December 21 | 04:55 | 18:02 | 13h 6min |
The longest days in Ribeirãozinho come around December, with 13h 6min of daylight, and the shortest around June, with 11h 8min. The seasonal swing is 1h 58min, a clearly noticeable change at 16.49° S, where summer evenings stay light much longer than winter ones.
Time zone and comparison with the state capital
Ribeirãozinho 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 (377 km away), the Sun rises 15 min earlier on the clock and sets 13 min earlier. Today's daylight is 12h 39min here versus 12h 38min in Cuiabá.
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.
Ribeirãozinho at a glance
- StateMato Grosso (MT)
- Coordinates16.49° S, 52.69° W
- Time zoneUTC-4 (America/Porto_Velho)
- Area code (DDD)66
- IBGE code5107198
- Difference from Brasília1 hour behind Brasília
Cities near Ribeirãozinho
| City | Distance | Sunrise | Sunset |
|---|---|---|---|
| Ponte Branca | 34 km | 04:54 | 17:35 |
| Torixoréu | 35 km | 04:54 | 17:33 |
| Araguainha | 55 km | 04:55 | 17:36 |
| Pontal do Araguaia | 73 km | 04:53 | 17:32 |
| Barra do Garças | 81 km | 04:53 | 17:32 |
| General Carneiro | 87 km | 04:55 | 17:33 |
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.