The full moon in April 2025 will occur on April 13 at 00:22 GMT (April 12, 8:22 p.m. EDT). On April 20, 2025, the Moon will be in the Waning Gibbous phase, not a full moon. The April 20 moon phase marks the Last Quarter Moon phase, which follows the full moon and shows decreasing illumination of the moon’s surface.