Moon Phase Calculator

What is Moon Phase Calculator?

Moon Phase Calculator shows the current moon phase along with illumination percentage, moonrise/moonset times, and upcoming lunar events. It uses astronomical algorithms to accurately compute the lunar cycle for any date, making it useful for photographers, gardeners, astronomers, and anyone curious about the night sky.

How to use

1. View today's moon phase with illumination percentage and a visual representation displayed automatically on load.
2. Select any date using the date picker to see the moon phase for that specific day.
3. Check the upcoming phases panel to see when the next full moon, new moon, and quarter phases occur.

Result

A landscape photographer planning a night shoot on March 15 opens Moon Phase Calculator, selects the date, and sees it will be a waxing gibbous at 82% illumination — perfect conditions for moonlit scenery with enough ambient light.

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