How It Works
Daylight hours vary dramatically by latitude and season. This calculator uses solar declination formulas to estimate sunrise and sunset times—useful for planning hiking routes, photography sessions, or maximizing daylight activities.
Why It Matters for Travel
In summer, northern latitudes can have 18+ hours of daylight, while winter days in the same location may have only 6-7 hours. If you're planning outdoor activities, knowing exact daylight hours prevents getting caught in darkness.
💡 TipDuring summer in Scandinavia or Alaska, consider blackout sleep masks—daylight at midnight can disrupt sleep patterns even with curtains drawn.