Chile · CLT
Mon, 14 Sept 2026
Timezone Guide
La Serena, Chile runs on UTC−3. Clocks move forward each spring and back each autumn: UTC−4 in winter, UTC−3 in summer. Next change: 5 Apr. There is a 1-hour difference between La Serena and New York. Standard 9-to-6 working hours overlap for about 8 hours a day with New York. A good time to connect: 10:00–18:00 in La Serena lines up with 09:00–17:00 in New York. There is a 4-hour difference between La Serena and London. Standard 9-to-6 working hours overlap for about 5 hours a day with London. A good time to connect: 09:00–14:00 in La Serena lines up with 13:00–18:00 in London. There is a 12-hour difference between La Serena and Tokyo. Standard working hours don't overlap at all with Tokyo, so meetings need an early or late slot on one side. This timezone is also shared with cities such as Buenos Aires, São Paulo, Santiago. Keeping these offsets in mind makes it easier to schedule calls or travel to and from La Serena.
Practical Info
La Serena (Chile) is home to roughly 230K people. Today brings about 10.2 hours of daylight: sunrise at 07:42, sunset at 17:54. Clocks move forward each spring and back each autumn: UTC−4 in winter, UTC−3 in summer. Next change: 5 Apr. It sits in the Southern Hemisphere, about 30° south of the equator. Traffic drives on the right.
Flag
Chile
Capital
Santiago
Continent
South America
Time Zone
CLT · America/Santiago
Coordinates
29.90°S, 71.25°W
Currency
CLP ($)
Calling Code
+56
Driving Side
Right
Hemisphere
Southern
Language
Spanish
Measurement System
Metric
Did You Know?
The mountains inland from La Serena hold several of the world's major observatories, because the combination of altitude, dry air and over 300 clear nights a year is close to unmatched. Northern Chile hosts a large share of global optical telescope capacity.
The clock: La Serena keeps Chilean time. The Vera Rubin Observatory nearby will image the entire southern sky every few nights.
Annual Daylight
Working Hours
3h overlap