Longest and shortest day in Mendoza
In Mendoza, Argentina, the longest day of 2026 is around the December solstice on Monday, 21 December 2026, with 14h 20m of daylight, and the shortest is around the June solstice on Sunday, 21 June 2026, with 9h 59m.
| Turning point | Date | Sunrise | Sunset | Day length |
|---|---|---|---|---|
| March equinox | Friday, 20 March 2026 | 07:38 | 19:46 | 12h 8m |
| June solstice | Sunday, 21 June 2026 | 08:37 | 18:36 | 9h 59m |
| September equinox | Tuesday, 22 September 2026 | 07:24 | 19:31 | 12h 7m |
| December solstice | Monday, 21 December 2026 | 06:23 | 20:43 | 14h 20m |
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 06:42 | 20:46 | 14h 4m |
| February | 07:11 | 20:26 | 13h 15m |
| March | 07:34 | 19:53 | 12h 18m |
| April | 07:57 | 19:13 | 11h 16m |
| May | 08:18 | 18:44 | 10h 26m |
| June | 08:36 | 18:35 | 10h 0m |
| July | 08:35 | 18:47 | 10h 11m |
| August | 08:12 | 19:07 | 10h 55m |
| September | 07:34 | 19:27 | 11h 53m |
| October | 06:54 | 19:48 | 12h 53m |
| November | 06:25 | 20:14 | 13h 49m |
| December | 06:21 | 20:39 | 14h 19m |
Why the day gets longer and shorter in Mendoza
Earth's axis is tilted about 23.4 degrees, so as the planet orbits the Sun, Mendoza leans toward the Sun for part of the year and away for the rest. When it leans toward the Sun the days lengthen and the Sun climbs higher; half a year later the opposite happens. The size of the swing depends on how far Mendoza sits from the equator: the further away, the bigger the difference between the longest and shortest day.
Frequently asked questions about day length in Mendoza
When is the longest day in Mendoza?
The longest day in Mendoza falls around the December solstice, on Monday, 21 December 2026 in 2026, with about 14h 20m of daylight, sunrise at 06:23 and sunset at 20:43.
When is the shortest day in Mendoza?
The shortest day in Mendoza falls around the June solstice, on Sunday, 21 June 2026 in 2026, with about 9h 59m of daylight, sunrise at 08:37 and sunset at 18:36.
How much does day length change through the year in Mendoza?
Between the longest and shortest day, Mendoza gains and loses about 4h 21m of daylight. The change is fastest around the March and September equinoxes and slowest near the solstices.
Every figure is computed from Mendoza's coordinates with SunCalc, not looked up from a table.