🇨🇱 Sunrise & Sunset in Alto Biobío
Chile • America/Santiago (UTC-4)
-38.05000000°N, -71.31666667°E
📅 Today: Friday, July 31, 2026
🌅 About Sunrise & Sunset in Alto Biobío
Sunrise and sunset times in Alto Biobío are calculated based on the city's geographic coordinates (-38.05000000°N, -71.31666667°E). The times shown above account for the Earth's rotation, axial tilt, and the city's position within the America/Santiago time zone. Daylight Saving Time transitions are automatically reflected when applicable.
☀️ Solar Noon
Solar noon in Alto Biobío occurs at 16:51 today. This is the moment when the sun reaches its highest point in the sky, casting the shortest shadows. Solar noon rarely coincides with clock noon (12:00 PM) due to the equation of time and the city's longitude within its time zone.
📏 Day Length
Today, the day length in Alto Biobío is 10h 10m. Day length changes throughout the year due to the Earth's tilt and orbit around the sun. The longest days occur during the summer solstice, while the shortest days occur during the winter solstice. Equinoxes (around March 20 and September 22) have approximately equal day and night lengths.
🌙 Civil Twilight
Civil dawn in Alto Biobío today begins at 11:18, and civil dusk ends at 22:24. Civil twilight is the period when there is enough natural light for most outdoor activities without artificial illumination. This period is commonly used for photography, aviation, and maritime navigation.
🔍 Frequently Asked Questions
What time is sunrise in Alto Biobío today?
Sunrise in Alto Biobío today is at 11:46. The sun rises in the east and the exact time varies throughout the year due to the Earth's tilt and orbit.
What time is sunset in Alto Biobío today?
Sunset in Alto Biobío today is at 21:56. Sunset times shift gradually throughout the year, with the latest sunsets typically occurring in summer.
How long is the day in Alto Biobío today?
The day length in Alto Biobío today is 10h 10m. Day length changes throughout the year — longest days in summer, shortest in winter.
What is solar noon in Alto Biobío?
Solar noon in Alto Biobío today is at 16:51. This is when the sun reaches its highest point in the sky and casts the shortest shadow.
Does Alto Biobío observe Daylight Saving Time?
Alto Biobío uses the America/Santiago time zone. DST observance depends on local regulations. The times shown above reflect the current DST status automatically.
What are civil twilight times in Alto Biobío?
Civil dawn in Alto Biobío today is at 11:18 and civil dusk is at 22:24. Civil twilight is the period when there is enough natural light for outdoor activities without artificial lighting.