July 20, 2026 · Santa Rosa, Argentina
Sunset in Santa Rosa today is at 18:24. Day length is 9h 59m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Santa Rosa's coordinates and updated daily.
Santa Rosa lies at 37°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 Santa Rosa.
The longest day in Santa Rosa is around 14h 40m (around December 21). The shortest is around 9h 39m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 20:39 | 06:15 | 14h 24m |
| February | 20:16 | 06:48 | 13h 28m |
| March | 19:39 | 07:16 | 12h 23m |
| April | 18:54 | 07:42 | 11h 12m |
| May | 18:21 | 08:08 | 10h 13m |
| June | 18:08 | 08:28 | 9h 40m |
| July | 18:20 | 08:28 | 9h 52m |
| August | 18:43 | 08:02 | 10h 41m |
| September | 19:08 | 07:20 | 11h 48m |
| October | 19:32 | 06:35 | 12h 57m |
| November | 20:04 | 06:01 | 14h 2m |
| December | 20:32 | 05:54 | 14h 38m |