About this calculator
Find the moon phase for any date. See phase name, illumination percentage, and lunar age with an easy moon phase calculator. Use this free online moon phase calculator directly in your browser with no sign-up required. Online Tool Hub time tools are designed to be fast, accurate, and easy to use on desktop and mobile.
Frequently asked questions
- What moon phases are shown?
- The calculator shows all eight major phases from new moon through full moon and back.
- Can I look up past or future moon phases?
- Yes. Select any date to see the estimated moon phase for that day.