July 20, 2026 · Merlo, Argentina
Sunrise in Merlo today is at 07:58. Day length is 10h 8m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Merlo's coordinates and updated daily.
Merlo lies at 35°S. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in 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 Merlo.
The longest day in Merlo is around 14h 29m (around December 21). The shortest is around 9h 50m (around June 21). Days are currently getting longer — gaining about 1 minute per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 05:57 | 20:12 | 14h 14m |
| February | 06:29 | 19:51 | 13h 22m |
| March | 06:54 | 19:16 | 12h 22m |
| April | 07:18 | 18:34 | 11h 16m |
| May | 07:42 | 18:03 | 10h 21m |
| June | 08:01 | 17:51 | 9h 51m |
| July | 08:01 | 18:02 | 10h 1m |
| August | 07:37 | 18:24 | 10h 47m |
| September | 06:57 | 18:46 | 11h 49m |
| October | 06:15 | 19:08 | 12h 54m |
| November | 05:43 | 19:37 | 13h 54m |
| December | 05:37 | 20:04 | 14h 27m |