July 21, 2026 · San Antonio, Chile
Sunset in San Antonio today is at 18:00. Day length is 10h 14m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for San Antonio's coordinates and updated daily.
San Antonio lies at 34°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 San Antonio.
The longest day in San Antonio is around 14h 23m (around December 21). The shortest is around 9h 55m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 21:01 | 06:52 | 14h 9m |
| February | 20:41 | 07:22 | 13h 19m |
| March | 20:07 | 07:46 | 12h 21m |
| April | 18:26 | 07:09 | 11h 18m |
| May | 17:56 | 07:31 | 10h 25m |
| June | 17:46 | 07:49 | 9h 56m |
| July | 17:56 | 07:50 | 10h 6m |
| August | 18:17 | 07:27 | 10h 50m |
| September | 19:38 | 07:48 | 11h 50m |
| October | 19:59 | 07:07 | 12h 52m |
| November | 20:27 | 06:37 | 13h 50m |
| December | 20:53 | 06:31 | 14h 22m |