Today, Thursday, October 29, 2026, the Sun rises at 05:32 and sets at 18:45 in Guaíba (RS), local time UTC-3. Daylight lasts 13h 12min, 1min 40s more than yesterday.
The Sun today in Guaíba
It's nighttime now Sunrise in 8h 58min.
Compared with yesterday, today is 1min 40s longer, and tomorrow will be 1min 39s longer than today: in Guaíba the days are getting longer, heading toward the December 21 solstice. Solar noon, when the Sun crosses the local meridian, falls at 12:08, which is 8 minutes after 12:00 on the clock. That gap comes from the position of Guaíba 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 | 05:07 |
| Morning golden hour | 05:32 – 06:05 |
| Sunrise | 05:32 |
| Solar noon | 12:08 |
| Evening golden hour | 18:12 – 18:45 |
| Sunset | 18:45 |
| Civil twilight ends | 19:10 |
In Guaíba civil twilight lasts 25 minutes at each end of the day today, so it is light enough to walk outdoors from 05:07 to 19:10. The golden hour, when the Sun is less than 6° above the horizon and the light is soft and warm, lasts about 33 minutes in the morning and 33 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 | 05:32 | 18:45 | 13h 12min | +1min 40s |
| Fri, Oct 30 | 05:32 | 18:46 | 13h 14min | +1min 39s |
| Sat, Oct 31 | 05:31 | 18:46 | 13h 15min | +1min 39s |
| Sun, Nov 1 | 05:30 | 18:47 | 13h 17min | +1min 37s |
| Mon, Nov 2 | 05:29 | 18:48 | 13h 18min | +1min 37s |
| Tue, Nov 3 | 05:28 | 18:49 | 13h 20min | +1min 36s |
| Wed, Nov 4 | 05:27 | 18:50 | 13h 22min | +1min 35s |
Day length through the year in Guaíba
View data table
| Month | Day length |
|---|---|
| January | 13h 51min |
| February | 13h 07min |
| March | 12h 16min |
| April | 11h 21min |
| May | 10h 36min |
| June | 10h 12min |
| July | 10h 23min |
| August | 11h 01min |
| September | 11h 54min |
| October | 12h 48min |
| November | 13h 38min |
| December | 14h 04min |
How day length changes through the year in Guaíba
| Key date | Date | Sunrise | Sunset | Length |
|---|---|---|---|---|
| March equinox (start of autumn) | March 20 | 06:28 | 18:36 | 12h 7min |
| June solstice (start of winter) | June 21 | 07:21 | 17:33 | 10h 12min |
| September equinox (start of spring) | September 22 | 06:14 | 18:21 | 12h 6min |
| December solstice (start of summer) | December 21 | 05:20 | 19:26 | 14h 5min |
The longest days in Guaíba come around December, with 14h 5min of daylight, and the shortest around June, with 10h 12min. The seasonal swing is 3h 53min, a clearly noticeable change at 30.11° S, where summer evenings stay light much longer than winter ones.
Time zone and comparison with the state capital
Guaíba 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 Porto Alegre, the state capital (14 km away), the Sun rises at practically the same clock time and sets at practically the same clock time. Today's daylight is 13h 12min here versus 13h 12min in Porto Alegre.
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.
Guaíba at a glance
- StateRio Grande do Sul (RS)
- Coordinates30.11° S, 51.32° W
- Time zoneUTC-3 (America/Sao_Paulo)
- Area code (DDD)51
- IBGE code4309308
- Difference from BrasíliaSame time as Brasília
Cities near Guaíba
| City | Distance | Sunrise | Sunset |
|---|---|---|---|
| Porto Alegre | 14 km | 05:32 | 18:44 |
| Barra do Ribeiro | 21 km | 05:32 | 18:45 |
| Canoas | 25 km | 05:32 | 18:44 |
| Alvorada | 27 km | 05:32 | 18:44 |
| Cachoeirinha | 28 km | 05:32 | 18:44 |
| Eldorado do Sul | 29 km | 05:34 | 18:46 |
See also
- Sunrise and sunset in Rio Grande do Sul and all its cities
- Sunrise and sunset in Porto Alegre, the capital of Rio Grande do Sul
- Current time in Rio Grande do Sul
- 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.