All tools

Moon Phase Today

Current moon phase and upcoming full moons.

88% lit
Waxing Gibbous
88% illuminated · 11.5 days into cycle
Next new moon
Fri, Sep 11
Next full moon
Thu, Aug 27

About

Shows today's moon phase with the percent illuminated, plus the dates of the next new moon and full moon. Pure astronomical math, no API call.

How to use

  1. Open the page.
  2. See today's moon and the next phases.

FAQ

How accurate is this?+

Within a few minutes for the major phases. Uses the Conway approximation, accurate to about 5 minutes for any year between 1900 and 2100.