What is the moon phase today? Today, Dec. 2, 2025, the moon is 12 days old and is in the Waxing Gibbous phase of its lunar cycle. It is 90% illuminated. Moon phase Date Full Moon Dec. 4 Third/Last ...

The Moon has always been one of the most recognizable objects in the sky. It changes shape slightly every night — sometimes round and shining, sometimes just a sliver of light. These are moon phases, ...