July 20, 2026 · Bahía Blanca, Argentina
Sunset in Bahía Blanca today is at 18:10. Day length is 9h 49m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Bahía Blanca's coordinates and updated daily.
Bahía Blanca lies at 39°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 Bahía Blanca.
The longest day in Bahía Blanca is around 14h 53m (around December 21). The shortest is around 9h 27m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 20:36 | 06:01 | 14h 35m |
| February | 20:11 | 06:37 | 13h 34m |
| March | 19:32 | 07:07 | 12h 25m |
| April | 18:44 | 07:36 | 11h 8m |
| May | 18:08 | 08:04 | 10h 4m |
| June | 17:54 | 08:26 | 9h 29m |
| July | 18:06 | 08:25 | 9h 41m |
| August | 18:32 | 07:58 | 10h 34m |
| September | 18:59 | 07:12 | 11h 47m |
| October | 19:26 | 06:25 | 13h 1m |
| November | 20:00 | 05:49 | 14h 12m |
| December | 20:30 | 05:39 | 14h 51m |