July 21, 2026 · La Rioja, Argentina
Sunrise in La Rioja today is at 08:19. Day length is 10h 31m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for La Rioja's coordinates and updated daily.
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.
Sunrise shifts earlier through spring and later through autumn — changing fastest near the equinoxes and barely at all near the summer and winter solstices. See the year chart to visualise how sunrise and sunset times shift month by month for La Rioja.
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 | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 06:42 | 20:32 | 13h 50m |
| February | 07:09 | 20:16 | 13h 8m |
| March | 07:28 | 19:47 | 12h 19m |
| April | 07:46 | 19:11 | 11h 25m |
| May | 08:04 | 18:45 | 10h 41m |
| June | 08:20 | 18:37 | 10h 16m |
| July | 08:21 | 18:46 | 10h 25m |
| August | 08:02 | 19:04 | 11h 2m |
| September | 07:28 | 19:20 | 11h 52m |
| October | 06:52 | 19:36 | 12h 45m |
| November | 06:26 | 20:00 | 13h 34m |
| December | 06:23 | 20:23 | 14h 1m |