Sunrise & Sunset Calculator
Get sunrise, sunset, day length, solar noon and civil twilight for any coordinates and date using the NOAA algorithm — no data sent anywhere.
Times are computed in your browser with the NOAA solar position algorithm and shown in your device's local time zone. Accuracy is typically within a minute or two. Location data never leaves your device.
Need this done properly for your business?
Radiatus delivers secure cloud, DevOps & compliance engineering.
Privacy & Security
Runs entirely in your browser. No data is sent to any server.
How to Use
Enter latitude and longitude (or click Use my location / a preset city) and pick a date. Times are shown in your device's time zone.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.
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