July 21, 2026 · La Rioja, Argentina
La Rioja has 10h 31m of daylight today. Sunrise is at 08:19 and sunset is at 18:50. All times are calculated astronomically for La Rioja's exact coordinates.
La Rioja lies at 29°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 La Rioja, or see daylight hours for every day of the year.
The longest day in La Rioja is around 14h 2m (around December 21). The shortest is around 10h 15m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 13h 50m | 06:42 | 20:32 |
| February | 13h 8m | 07:09 | 20:16 |
| March | 12h 19m | 07:28 | 19:47 |
| April | 11h 25m | 07:46 | 19:11 |
| May | 10h 41m | 08:04 | 18:45 |
| June | 10h 16m | 08:20 | 18:37 |
| July | 10h 25m | 08:21 | 18:46 |
| August | 11h 2m | 08:02 | 19:04 |
| September | 11h 52m | 07:28 | 19:20 |
| October | 12h 45m | 06:52 | 19:36 |
| November | 13h 34m | 06:26 | 20:00 |
| December | 14h 1m | 06:23 | 20:23 |