July 20, 2026 · Porto Alegre, Brazil
Sunset in Porto Alegre today is at 17:46. Day length is 10h 28m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Porto Alegre's coordinates and updated daily.
Porto Alegre lies at 30°S. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for Porto Alegre.
The longest day in Porto Alegre is around 14h 5m (around December 21). The shortest is around 10h 13m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 19:31 | 05:38 | 13h 53m |
| February | 19:15 | 06:05 | 13h 9m |
| March | 18:45 | 06:25 | 12h 19m |
| April | 18:08 | 06:44 | 11h 24m |
| May | 17:41 | 07:03 | 10h 38m |
| June | 17:33 | 07:19 | 10h 14m |
| July | 17:42 | 07:20 | 10h 22m |
| August | 18:00 | 07:01 | 10h 60m |
| September | 18:17 | 06:26 | 11h 52m |
| October | 18:34 | 05:49 | 12h 46m |
| November | 18:58 | 05:22 | 13h 36m |
| December | 19:22 | 05:19 | 14h 3m |