Solstice Insight
The longest day of the year in Santiago typically falls around December 21 or 22.
This date marks the Summer Solstice (Southern Hemisphere), when Santiago experiences the maximum number of daylight hours.
Longest Day of the Year in Santiago
Learn when the longest day of the year usually occurs in Santiago, Chile and its significance.
When is the Summer Solstice?
In Santiago, the summer solstice—the day with the most daylight—occurs annually in late December. As the Earth orbits the Sun, its axial tilt leans Santiago's hemisphere closest to the sun, generating extended twilight and later sunset times.