About Oh My Luna

A free astronomy web app for an accurate and beautiful understanding of tonight's Moon.

Who makes Oh My Luna?

Oh My Luna is created and maintained by the Oh My Luna open-source project. Its purpose is to help everyone explore Moon phases and Korean Moon culture.

Where does the data come from?

Moon phases, illumination, moonrise, moonset, and celestial positions are calculated using Astronomy Engine. Actual visibility and times may differ depending on your observing location and atmospheric conditions.

To report an error or suggest an improvement, visit the contact page.

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