July 20, 2026 · Viamão, Brazil
Sunrise in Viamão today is at 07:17. Day length is 10h 27m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Viamão's coordinates and updated daily.
Viamão lies at 30°S. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
Sunrise shifts earlier through spring and later through autumn — changing fastest near the equinoxes and barely at all near the summer and winter solstices. See the year chart to visualise how sunrise and sunset times shift month by month for Viamão.
The longest day in Viamão is around 14h 5m (around December 21). The shortest is around 10h 12m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 05:37 | 19:30 | 13h 53m |
| February | 06:04 | 19:14 | 13h 10m |
| March | 06:24 | 18:44 | 12h 19m |
| April | 06:43 | 18:07 | 11h 24m |
| May | 07:02 | 17:40 | 10h 38m |
| June | 07:19 | 17:32 | 10h 13m |
| July | 07:20 | 17:42 | 10h 22m |
| August | 07:00 | 18:00 | 10h 60m |
| September | 06:25 | 18:17 | 11h 52m |
| October | 05:48 | 18:34 | 12h 46m |
| November | 05:21 | 18:58 | 13h 36m |
| December | 05:18 | 19:21 | 14h 4m |