Moon Phase Identifier
See today's moon phase (or any date's), plus a guide to all 8 phases and what each one means.
0% illuminated · day 0 of the cycle
The 8 Phases
About the Moon Phase Identifier
See what phase the moon is in today, or pick any date to find the phase on that day. The guide below explains all eight phases — new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter and waning crescent.
The phase is worked out in your browser from the moon's synodic month — the roughly 29.53 days it takes to cycle from one new moon to the next.
Frequently asked questions
What are the 8 phases of the moon?
New moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter and waning crescent.
How long is a lunar cycle?
About 29.53 days from new moon to new moon, known as the synodic month.
What is the difference between waxing and waning?
Waxing means the illuminated part is growing toward full moon; waning means it is shrinking toward new moon.