🇺🇸 Sunrise & Sunset in Houston
United States • America/Chicago (UTC-5)
29.76328000°N, -95.36327000°E
📅 Today: Thursday, July 30, 2026
🌅 About Sunrise & Sunset in Houston
Sunrise and sunset times in Houston are calculated based on the city's geographic coordinates (29.76328000°N, -95.36327000°E). The times shown above account for the Earth's rotation, axial tilt, and the city's position within the America/Chicago time zone. Daylight Saving Time transitions are automatically reflected when applicable.
☀️ Solar Noon
Solar noon in Houston occurs at 18:27 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 Houston is 13h 35m. 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 Houston today begins at 11:14, and civil dusk ends at 01:41. 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 Houston today?
Sunrise in Houston today is at 11:39. 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 Houston today?
Sunset in Houston today is at 01:15. Sunset times shift gradually throughout the year, with the latest sunsets typically occurring in summer.
How long is the day in Houston today?
The day length in Houston today is 13h 35m. Day length changes throughout the year — longest days in summer, shortest in winter.
What is solar noon in Houston?
Solar noon in Houston today is at 18:27. This is when the sun reaches its highest point in the sky and casts the shortest shadow.
Does Houston observe Daylight Saving Time?
Houston uses the America/Chicago time zone. DST observance depends on local regulations. The times shown above reflect the current DST status automatically.
What are civil twilight times in Houston?
Civil dawn in Houston today is at 11:14 and civil dusk is at 01:41. Civil twilight is the period when there is enough natural light for outdoor activities without artificial lighting.