Sunrise Sunset Calculator
Estimate sunrise and sunset for a place and date, from solar maths.
Quick answer: enter your details below and click Calculate Sunrise and Sunset — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Enter your details below.
How to use
- Enter the latitude and longitude.
- Enter the date.
- Click Calculate Sunrise and Sunset and add your local offset to the UTC times.
About this tool
Enter a latitude, longitude, and date, and the tool estimates sunrise and sunset with a standard solar calculation: the Sun's declination for the day, the hour angle at the horizon, and the equation of time. Results are estimates — they ignore hills, buildings, and local weather, and they are given in UTC, so add your local offset.
Frequently asked questions
Why is the longest day in June in the northern hemisphere?
Because the northern hemisphere tilts most toward the Sun around 21 June, so the Sun stays up longest.
What is polar night?
When the Sun never rises at all, which happens near the poles in winter. The tool reports it instead of inventing a time.