About SunCalc

SunCalc is a free collection of solar calculators built for photographers, gardeners, hikers, and anyone curious about the sun. Calculate sunrise, sunset, golden hour, blue hour, twilight, and day length for any location on Earth.

Our Mission

We believe solar calculations should be simple and accessible to everyone. No subscriptions, no sign-ups — just fast, reliable calculators powered by proven solar position equations.

What We Offer

• Sunrise and sunset calculators for any latitude and longitude
• Golden hour and blue hour windows for photography
• Solar elevation and azimuth calculators
• Day length and seasonal daylight comparison tools
• Twilight calculators (civil, nautical, astronomical)