July 21, 2026 · Comodoro Rivadavia, Argentina
Sunrise in Comodoro Rivadavia today is at 09:02. Day length is 9h 10m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Comodoro Rivadavia's coordinates and updated daily.
Comodoro Rivadavia lies at 46°S. At this latitude, day length varies significantly through the year — from roughly 7–8 hours in midwinter to 16–17 hours at 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 Comodoro Rivadavia.
The longest day in Comodoro Rivadavia is around 15h 44m (around December 21). The shortest is around 8h 39m (around June 21). Days are currently getting longer — gaining about 2 minutes per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 05:59 | 21:20 | 15h 21m |
| February | 06:45 | 20:45 | 14h 0m |
| March | 07:25 | 19:55 | 12h 30m |
| April | 08:05 | 18:56 | 10h 51m |
| May | 08:43 | 18:11 | 9h 28m |
| June | 09:11 | 17:52 | 8h 41m |
| July | 09:08 | 18:05 | 8h 58m |
| August | 08:32 | 18:40 | 10h 8m |
| September | 07:36 | 19:17 | 11h 42m |
| October | 06:38 | 19:56 | 13h 18m |
| November | 05:51 | 20:40 | 14h 50m |
| December | 05:35 | 21:16 | 15h 42m |