Moon Phase Calculator

Find the current moon phase, illumination percentage, and next full moon date.

Moon Phase

Waning Crescent

Illumination

5.6%

Lunar Details

PhaseWaning Crescent
Illumination5.6%
Days Since New Moon27.3
Days Until Full Moon17.0
Lunar Cycle29.53 days

Use the Moon Phase Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.