Solar & Astronomy Utility

Dynamic Daylight & Aurora Visibility Matrix

Calculate exact daylight hours, civil twilight, midnight sun curves, and historical Northern Lights visibility probabilities for any Alaskan city and month.

Select Travel Month:

Select Latitude & City:

24-Hour Solar Spectrum Breakdown? ? Midnight Sun Active

21.8 Hours Direct Daylight

Twilight

12:00 AM6:00 AM12:00 PM (Solar Noon)6:00 PM11:59 PM

Direct Sunlight Hours21h 50mSunrise: ~3:00 AM ? Sunset: ~12:45 AM

True Darkness Window0h 00mNo true astronomical night

Aurora Borealis Probability0% (Too Bright)Sky remains too bright for auroral visibility

Seasonal Travel RealityMidnight SunBring sleep eye masks; 24-hour outdoor activity