Next Full Moon Calculator

Find the exact date of the next full moon from today.

How It Works

The calculator determines the current moon phase, then computes how many days remain until the phase reaches 0.5 (full moon). If already past full moon, it calculates to the next cycle's full moon.

Formula

Days to Full = (0.5 - currentPhase) × 29.53059

Frequently Asked Questions

When is the next full moon?

Use this calculator to find the exact date of the next full moon. Full moons occur every 29.53 days.

What time does the full moon occur?

The exact time of the full moon varies. This calculator gives the date; for precise hour and minute, consult an astronomical ephemeris.