Sunrise & Sunset Calculator

Calculate the sunrise and sunset times for any date and location.

Date & Location

Date

Latitude (North +, South -)

Longitude (East +, West -)

UTC Offset (Hours)

Solar Times

Enter location to calculate

About this calculator

Quick Reference

SunriseTime sun appears

SunsetTime sun disappears

Overview

This calculator uses solar geometry to determine the times when the upper limb of the Sun appears on the horizon (Sunrise) and disappears (Sunset).

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Pro Tips

Fun Facts

"Due to atmospheric refraction, we see the Sun before it actually rises and after it sets."
"Day length varies most near the poles and least near the equator."
"The earliest sunrise and latest sunset do not occur on the summer solstice."

Formula: Calculation involves N (Day of Year), Mean Anomaly, and True Longitude.