December 18, 2021
Full moon occurs tonight at 10:35 pm. December’s full moon is often called the Full Cold Moon. This will be the last full moon of the year.
Full moon occurs on December 18, 2021, at 10:36 pm. The above image is what the Moon will look like on the night of December 18, 2021, taking lunar libration into consideration. Image credit: NASA, SVS Ernie Wright.