What is the moon phase today? Today, Oct. 21, 2024, the moon is 19 days old and is in the Waning Gibbous phase of its lunar cycle. It is 78% illuminated. Moon phases reveal the passage of time in ...
Thanks to the Moon’s orbit around Earth, the angle of sunlight hitting the lunar surface and being reflected back to our planet changes. That creates different lunar phases. The next Full Moon ...