T he phases of the moon Elf on the Shelf printable is a creative way to mix holiday fun with a bit of science. Our elf has been causing mischief in our home for over 10 years, and for at least the ...

What is the moon phase today? Today, Jan. 17, 2025, the moon is 18 days old, in the Waning Gibbous phase of its lunar cycle. It is 84% illuminated. Moon phases reveal the passage of time in the ...