Today, Saturday, October 3, 2026, the Sun rises at 05:54 and sets at 18:06 in Rio Sono (TO), local time UTC-3. Daylight lasts 12h 12min, 30s more than yesterday.
The Sun today in Rio Sono
It's daytime now Sunset in 2h 9min.
Compared with yesterday, today is 30s longer, and tomorrow will be 31s longer than today: in Rio Sono the days are getting longer, heading toward the December 21 solstice. Solar noon, when the Sun crosses the local meridian, falls at 12:00, which is 0 minutes after 12:00 on the clock. That gap comes from the position of Rio Sono inside its time zone (UTC-3) 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 | 05:33 |
| Morning golden hour | 05:54 – 06:22 |
| Sunrise | 05:54 |
| Solar noon | 12:00 |
| Evening golden hour | 17:38 – 18:06 |
| Sunset | 18:06 |
| Civil twilight ends | 18:27 |
In Rio Sono civil twilight lasts 21 minutes at each end of the day today, so it is light enough to walk outdoors from 05:33 to 18:27. 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 | 05:54 | 18:06 | 12h 12min | +30s |
| Sun, Oct 4 | 05:54 | 18:06 | 12h 12min | +31s |
| Mon, Oct 5 | 05:53 | 18:06 | 12h 13min | +32s |
| Tue, Oct 6 | 05:52 | 18:06 | 12h 13min | +30s |
| Wed, Oct 7 | 05:52 | 18:06 | 12h 14min | +31s |
| Thu, Oct 8 | 05:51 | 18:06 | 12h 14min | +31s |
| Fri, Oct 9 | 05:51 | 18:06 | 12h 15min | +31s |
Day length through the year in Rio Sono
View data table
| Month | Day length |
|---|---|
| January | 12h 36min |
| February | 12h 23min |
| March | 12h 09min |
| April | 11h 53min |
| May | 11h 41min |
| June | 11h 34min |
| July | 11h 37min |
| August | 11h 48min |
| September | 12h 02min |
| October | 12h 18min |
| November | 12h 32min |
| December | 12h 40min |
How day length changes through the year in Rio Sono
| Key date | Date | Sunrise | Sunset | Length |
|---|---|---|---|---|
| March equinox (start of autumn) | March 20 | 06:15 | 18:22 | 12h 6min |
| June solstice (start of winter) | June 21 | 06:26 | 18:00 | 11h 34min |
| September equinox (start of spring) | September 22 | 06:01 | 18:07 | 12h 6min |
| December solstice (start of summer) | December 21 | 05:49 | 18:29 | 12h 40min |
The longest days in Rio Sono come around December, with 12h 40min of daylight, and the shortest around June, with 11h 34min. The seasonal swing is 1h 5min, a modest change typical of the tropics (9.35° S).
Time zone and comparison with the state capital
Rio Sono uses the same time as Brasília (UTC-3). This is the same zone as most of the country and the one used for the official Brazilian time. Compared with Palmas, the state capital (111 km away), the Sun rises 2 min earlier on the clock and sets 2 min earlier. Today's daylight is 12h 12min here versus 12h 12min in Palmas.
Moon today
Today the Moon is Last Quarter, with about 45% of its disc lit and an age of 22.6 days. See the full moon calendar.
Rio Sono at a glance
- StateTocantins (TO)
- Coordinates9.35° S, 47.89° W
- Time zoneUTC-3 (America/Sao_Paulo)
- Area code (DDD)63
- IBGE code1718758
- Difference from BrasíliaSame time as Brasília
Cities near Rio Sono
| City | Distance | Sunrise | Sunset |
|---|---|---|---|
| Pedro Afonso | 53 km | 05:55 | 18:07 |
| Bom Jesus do Tocantins | 53 km | 05:55 | 18:07 |
| Tupirama | 53 km | 05:55 | 18:07 |
| Tocantínia | 58 km | 05:56 | 18:08 |
| Miracema do Tocantins | 60 km | 05:56 | 18:08 |
| Santa Maria do Tocantins | 62 km | 05:54 | 18:06 |
See also
- Sunrise and sunset in Tocantins and all its cities
- Sunrise and sunset in Palmas, the capital of Tocantins
- Current time in Tocantins
- 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.