May Full Moon 2026: Flower Moon, Blue Moon and Viewing Guide

The May full moon 2026 arrives in a double‑act, gifting observers a luminous Flower Moon on May 1 and a coveted Blue Moon on May 31. Stargazers can catch the first peak at 1:23 p.m. ET, according to NASA.

May full moon: dates and cultural meanings

Rooted in Native American calendars, the Flower Moon signals the burst of spring blossoms, while the Blue Moon—so named for being the second full moon in a month—has long inspired folklore.

“A Blue Moon is a reminder that rare events do happen,” says an astronomer at Reuters.

The lunar cycle spans ↑ 29.5 days, shifting from new to full as sunlight sweeps across the Moon’s near side. After the May 1 Full, the cycle progresses through waning phases before the second Full on the month’s final night.

To maximize your view, find a dark horizon, let your eyes adapt for 15 minutes, and use a modest binocular for detail. The May full moon offers both a visual feast and a chance to reflect on seasonal renewal.