July 21, 2026 · San Juan, Argentina
San Juan has 10h 23m of daylight today. Sunrise is at 08:30 and sunset is at 18:52. All times are calculated astronomically for San Juan's exact coordinates.
San Juan lies at 32°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 San Juan, or see daylight hours for every day of the year.
The longest day in San Juan is around 14h 12m (around December 21). The shortest is around 10h 5m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 13h 59m | 06:44 | 20:43 |
| February | 13h 13m | 07:13 | 20:26 |
| March | 12h 20m | 07:34 | 19:54 |
| April | 11h 21m | 07:54 | 19:16 |
| May | 10h 33m | 08:15 | 18:48 |
| June | 10h 6m | 08:32 | 18:38 |
| July | 10h 16m | 08:33 | 18:48 |
| August | 10h 56m | 08:12 | 19:08 |
| September | 11h 51m | 07:35 | 19:26 |
| October | 12h 48m | 06:57 | 19:45 |
| November | 13h 42m | 06:29 | 20:10 |
| December | 14h 11m | 06:24 | 20:35 |