The last full moon of 2021 will reach peak illumination on Saturday, December 18, at 11:32 p.m. ET, according to NASA, but you can trace its path across the sky starting at just before sunset.

On Dec. 18, three days after the full moon, the moon occults Mars. This occultation will favor far northern locations in Canada, all of Greenland, Iceland, and northwestern Europe.

The last full moon of 2021, December's cold moon, reached peak illumination Saturday. The moon will still look full to our eyes a day after. ... Dec. 18, at 11:32 p.m. ET, ...

On December 18, this moment occurs at 11:36 p.m. ET. But to most observers, the moon will appear full for three days around this time—from Friday evening through Monday morning.

The full moon will arrive on Dec. 18, 2021 — and you’ll be ready to spice up your life, take chances and have fun with those you love. Read how your zodiac sign will be affected here!

The last full moon of 2021 will reach peak illumination on Saturday, December 18, at 11:32 p.m. ET, according to NASA, but you can trace its path across the sky starting at just before sunset.

The last full moon of 2021 will reach peak illumination on Saturday, December 18, at 11:32 p.m. ET, according to NASA, but you can trace its path across the sky starting at just before sunset.