July 20, 2026 · Buin, Chile
Sunset in Buin today is at 17:56. Day length is 10h 12m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Buin's coordinates and updated daily.
Buin lies at 34°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 Buin.
The longest day in Buin is around 14h 24m (around December 21). The shortest is around 9h 54m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 20:57 | 06:48 | 14h 10m |
| February | 20:38 | 07:18 | 13h 19m |
| March | 20:04 | 07:42 | 12h 21m |
| April | 18:22 | 07:05 | 11h 17m |
| May | 17:52 | 07:28 | 10h 25m |
| June | 17:42 | 07:46 | 9h 56m |
| July | 17:52 | 07:46 | 10h 6m |
| August | 18:13 | 07:24 | 10h 50m |
| September | 19:34 | 07:45 | 11h 50m |
| October | 19:56 | 07:04 | 12h 52m |
| November | 20:23 | 06:33 | 13h 50m |
| December | 20:50 | 06:27 | 14h 22m |