Moon Phase Today
Today's moon phase with illumination, plus a full lunar calendar for any month.
About Moon Phases
The Moon goes through 8 phases in a cycle of approximately 29.53 days (the synodic period). Our calculator uses the known New Moon reference date of January 6, 2000 to determine the phase for any date using standard astronomical calculations.
What is the moon phase today?
Check the display above for today's current moon phase, illumination, and emoji.
When is the next full moon?
The next full moon date is calculated and shown in the stats grid above.
How are moon phases calculated?
Using the New Moon reference date (6 Jan 2000, 18:14 UTC) and the synodic period of 29.53059 days.
What are the 8 moon phases?
New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, Waning Crescent.
