July 21, 2026 · Rosario, Argentina
Rosario has 10h 17m of daylight today. Sunrise is at 08:01 and sunset is at 18:18. All times are calculated astronomically for Rosario's exact coordinates.
Rosario lies at 33°S. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
Day length changes fastest near the spring and autumn equinoxes and slowest near the longest day and shortest day of the year. See the year chart to visualise how daylight hours shift month by month for Rosario, or see daylight hours for every day of the year.
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 | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 14h 6m | 06:09 | 20:15 |
| February | 13h 17m | 06:39 | 19:56 |
| March | 12h 21m | 07:02 | 19:23 |
| April | 11h 19m | 07:24 | 18:43 |
| May | 10h 28m | 07:46 | 18:14 |
| June | 9h 60m | 08:04 | 18:03 |
| July | 10h 9m | 08:04 | 18:14 |
| August | 10h 52m | 07:42 | 18:34 |
| September | 11h 50m | 07:04 | 18:54 |
| October | 12h 51m | 06:24 | 19:15 |
| November | 13h 47m | 05:54 | 19:41 |
| December | 14h 18m | 05:49 | 20:07 |