A full moon sealed inside a caged glass flask bound in tarnished brass

Resources / Celestial timing

Moon Phase Tracker

Phase, illumination, lunar age, and the next full and new moon for any moment you choose.

Reading the lunation

Phase, age, and illumination

Track the approximate lunar phase, illumination, lunar age, and the next full and new moon for a selected date and time.

Preparing the instrument for your time and place

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