Sun Calculator

Calculate sunrise, sunset, solar noon, twilight times, and day length for any location and date. Free online sun position and daylight calculator.

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Track current moon phase, illumination percentage, moonrise and moonset times. View upcoming moon phases and lunar calendar.

Calculate the length of daylight, night, and twilight periods for any location and date. Track seasonal changes in day/night duration.

Track upcoming astronomical events including meteor showers, eclipses, conjunctions, and other celestial phenomena.