July 20, 2026 · Rosario, Argentina
Sunset in Rosario today is at 18:17. Day length is 10h 16m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Rosario's coordinates and updated daily.
Rosario lies at 33°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 Rosario.
The longest day in Rosario is around 14h 20m (around December 21). The shortest is around 9h 58m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 20:15 | 06:09 | 14h 6m |
| February | 19:56 | 06:39 | 13h 17m |
| March | 19:23 | 07:02 | 12h 21m |
| April | 18:43 | 07:24 | 11h 19m |
| May | 18:14 | 07:46 | 10h 28m |
| June | 18:03 | 08:04 | 9h 60m |
| July | 18:14 | 08:04 | 10h 9m |
| August | 18:34 | 07:42 | 10h 52m |
| September | 18:54 | 07:04 | 11h 50m |
| October | 19:15 | 06:24 | 12h 51m |
| November | 19:41 | 05:54 | 13h 47m |
| December | 20:07 | 05:49 | 14h 18m |