July 21, 2026 · Posadas, Argentina
Sunset in Posadas today is at 18:10. Day length is 10h 39m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Posadas's coordinates and updated daily.
Posadas lies at 27°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 Posadas.
The longest day in Posadas is around 13h 52m (around December 21). The shortest is around 10h 25m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 19:44 | 06:03 | 13h 41m |
| February | 19:30 | 06:27 | 13h 3m |
| March | 19:03 | 06:45 | 12h 18m |
| April | 18:29 | 07:00 | 11h 28m |
| May | 18:05 | 07:17 | 10h 48m |
| June | 17:57 | 07:32 | 10h 26m |
| July | 18:07 | 07:33 | 10h 33m |
| August | 18:23 | 07:16 | 11h 7m |
| September | 18:37 | 06:43 | 11h 53m |
| October | 18:51 | 06:09 | 12h 42m |
| November | 19:12 | 05:46 | 13h 27m |
| December | 19:35 | 05:44 | 13h 51m |