🇺🇸 Sunrise & Sunset in Whatcom
United States • America/Los_Angeles (UTC-7)
48.82975000°N, -121.87283000°E
📅 Today: Thursday, July 30, 2026
🌅 About Sunrise & Sunset in Whatcom
Sunrise and sunset times in Whatcom are calculated based on the city's geographic coordinates (48.82975000°N, -121.87283000°E). The times shown above account for the Earth's rotation, axial tilt, and the city's position within the America/Los_Angeles time zone. Daylight Saving Time transitions are automatically reflected when applicable.
☀️ Solar Noon
Solar noon in Whatcom occurs at 20:13 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 Whatcom is 15h 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 Whatcom today begins at 12:01, and civil dusk ends at 04:26. 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 Whatcom today?
Sunrise in Whatcom today is at 12:38. 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 Whatcom today?
Sunset in Whatcom today is at 03:48. Sunset times shift gradually throughout the year, with the latest sunsets typically occurring in summer.
How long is the day in Whatcom today?
The day length in Whatcom today is 15h 10m. Day length changes throughout the year — longest days in summer, shortest in winter.
What is solar noon in Whatcom?
Solar noon in Whatcom today is at 20:13. This is when the sun reaches its highest point in the sky and casts the shortest shadow.
Does Whatcom observe Daylight Saving Time?
Whatcom uses the America/Los_Angeles time zone. DST observance depends on local regulations. The times shown above reflect the current DST status automatically.
What are civil twilight times in Whatcom?
Civil dawn in Whatcom today is at 12:01 and civil dusk is at 04:26. Civil twilight is the period when there is enough natural light for outdoor activities without artificial lighting.