🇺🇸 Sunrise & Sunset in Atglen
United States • America/New_York (UTC-4)
39.94927000°N, -75.97356000°E
📅 Today: Friday, July 31, 2026
🌅 About Sunrise & Sunset in Atglen
Sunrise and sunset times in Atglen are calculated based on the city's geographic coordinates (39.94927000°N, -75.97356000°E). The times shown above account for the Earth's rotation, axial tilt, and the city's position within the America/New_York time zone. Daylight Saving Time transitions are automatically reflected when applicable.
☀️ Solar Noon
Solar noon in Atglen occurs at 17:10 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 Atglen is 14h 17m. 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 Atglen today begins at 09:31, and civil dusk ends at 00:49. 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 Atglen today?
Sunrise in Atglen today is at 10:01. 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 Atglen today?
Sunset in Atglen today is at 00:18. Sunset times shift gradually throughout the year, with the latest sunsets typically occurring in summer.
How long is the day in Atglen today?
The day length in Atglen today is 14h 17m. Day length changes throughout the year — longest days in summer, shortest in winter.
What is solar noon in Atglen?
Solar noon in Atglen today is at 17:10. This is when the sun reaches its highest point in the sky and casts the shortest shadow.
Does Atglen observe Daylight Saving Time?
Atglen uses the America/New_York time zone. DST observance depends on local regulations. The times shown above reflect the current DST status automatically.
What are civil twilight times in Atglen?
Civil dawn in Atglen today is at 09:31 and civil dusk is at 00:49. Civil twilight is the period when there is enough natural light for outdoor activities without artificial lighting.