July 20, 2026 · Río Cuarto, Argentina
Río Cuarto has 10h 15m of daylight today. Sunrise is at 08:17 and sunset is at 18:32. All times are calculated astronomically for Río Cuarto's exact coordinates.
Río Cuarto lies at 33°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 Río Cuarto, or see daylight hours for every day of the year.
The longest day in Río Cuarto is around 14h 20m (around December 21). The shortest is around 9h 58m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 14h 7m | 06:24 | 20:30 |
| February | 13h 18m | 06:54 | 20:11 |
| March | 12h 21m | 07:17 | 19:38 |
| April | 11h 18m | 07:39 | 18:57 |
| May | 10h 27m | 08:01 | 18:28 |
| June | 9h 59m | 08:19 | 18:18 |
| July | 10h 9m | 08:20 | 18:28 |
| August | 10h 51m | 07:57 | 18:49 |
| September | 11h 50m | 07:19 | 19:09 |
| October | 12h 51m | 06:39 | 19:30 |
| November | 13h 48m | 06:09 | 19:57 |
| December | 14h 19m | 06:03 | 20:22 |