The Worm Moon is the traditional Western name for the full Moon of March. The next Worm Moon is on March 22, 2027 (UTC). In other traditions it is the Sugar Moon (Algonquin), the Moon of Winds (Celtic) and Phalguna Purnima (Hindu calendar).
Full Moon instants are calculated with astronomy-engine and shown in UTC, then in your own time zone. The names are folk and cultural traditions, recorded in very different sources; they are not astronomical designations.
Full Moon names
The Worm Moon
Next full:
Worm Moon dates
MODELED- March 3, 2026PastMonth calendar →
- March 22, 2027Month calendar →
- March 11, 2028
One Moon, four names
TRADITION- Western
- Worm Moon
- Algonquin
- Sugar Moon
- Celtic
- Moon of Winds
- Hindu
- Phalguna Purnima
As temperatures warm, earthworm casts appear in thawing ground — the first sign of spring's return. The Ojibwe named it for the sap that begins to flow in maple trees, marking sugaring season.
Questions
When is the Worm Moon?
The Worm Moon falls on March 3, 2026, March 22, 2027, March 11, 2028 (UTC dates). Each is the exact instant the Moon is opposite the Sun; in time zones west of UTC the date can be a day earlier.
Why is it called the Worm Moon?
As temperatures warm, earthworm casts appear in thawing ground — the first sign of spring's return. The Ojibwe named it for the sap that begins to flow in maple trees, marking sugaring season.