Full Moon Dates – Next 12 Full Moons

List the next 12 full moon dates from today.

How It Works

Starting from today, the calculator finds the next time the moon reaches the full moon phase (50% through its cycle), then adds 29.53059 days for each subsequent full moon.

Formula

Full Moon: phase fraction = 0.5 (synodic cycle)

Frequently Asked Questions

How often does a full moon occur?

A full moon occurs every 29.53 days (one synodic month). There are about 12 to 13 full moons per year.

What is a Blue Moon?

A Blue Moon is the second full moon in a single calendar month, which happens roughly every 2.5 years.