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Worm Moon: Full Moon in March 2022 | The Old Farmer's Almanac

Full Moon for March 2022

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Catch the Full Worm Moon!

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The full Worm Moon rises on Thursday and Friday night, March 17 and 18. What is a Worm Moon? Here are the real meaning and origins of March’s full Moon—and when you can see this Moon at its brightest!

When to See the Full Moon in March 2022

The final full moon of the winter season will rise Thursday and Friday night. Specifically, March’s full Worm Moon reaches peak illumination at 3:20 A.M. EDT on Friday, March 18, 2022.

Of course, you don’t have to wait until the middle of the night! Look for the spectacularly bright Moon as it rises above the horizon on Thursday evening. If your weather is poor on Thursday night, try again! The Moon will also appear full Friday night. See when the Moon will be visible in your area.

If you have just a bit of rain on Thursday, March 17, you may even get to spot a rare phenomenon called a moonbow. A moonbow is just like a solar rainbow, but is created by moonlight (rather than sunlight) when it is refracted through water droplets in the air. Moonbows only happen when the full Moon is fairly low in the sky, so look for one in the hours after sunset when the sky is dark. Learn more about moonbows here!

This March Moon will look especially large to us when it’s near the horizon because of the “Moon illusion,” when it looks bigger when near comparative objects than it does when it’s high in the sky without any references.

Why Is It Called the Worm Moon?

The full Moon names used by The Old Farmer’s Almanac come from a number of places, including Native American, Colonial American, and European sources. Traditionally, each full Moon name was applied to the entire lunar month in which it occurred, not only to the full Moon.

Surprising Truth Behind the Worm Moon Name

March’s full Moon goes by the name Worm Moon. For many years, we thought this name referred to the earthworms that appear as the soil warms in spring. This invites robins and other birds to feed—a true sign of spring!

However, more research revealed another explanation. In the 1760s, Captain Jonathan Carver visited the Naudowessie (Dakota) and other Native American tribes and wrote that the name Worm Moon refers to a different sort of “worm”—beetle larvae—which begin to emerge from the thawing bark of trees and other winter hideouts at this time.

Full moon rises over snowy mountains

Alternative March Moon Names

There are quite a few names for the March Moon that speak to the transition from winter to spring. Some refer to the appearance (or reappearance) of certain animals, such as the Eagle Moon, Goose Moon (Algonquin, Cree), or Crow Comes Back Moon (Northern Ojibwe), while others refer to signs of the season:

  • The Sugar Moon (Ojibwe) marks the time of year when the sap of sugar maples starts to flow.
  • The Wind Strong Moon (Pueblo) refers to the strong windy days that come at this time of year. 
  • The Sore Eyes Moon (Dakota, Lakota, Assiniboine) highlights the blinding rays of sunlight that reflect off the melting snow of late winter. 

The Lenten Moon

March’s full Moon often plays a role in religion, too. Specifically, in Christianity, this Moon is known as the Lenten Moon if it is the last full Moon of the winter season (i.e., if it occurs before the spring equinox) or as the Paschal Full Moon if it is the first full Moon of spring (i.e., if it occurs after the spring equinox).

This year, March’s full Moon (March 18, 2022) occurs before the spring equinox (March 20, 2022), making it the Lenten Moon. April’s full Moon (April 16, 2022) will be the first full Moon to occur after the spring equinox and will therefore determine the date of Easter this year. Read more about how Easter’s date is determined.

→ See all 12 months of full Moon names and meanings.

Sap tapping Full Sap Moon
An alternative name for March’s full Moon is the Sugar Moon. Sugar maples are tapped in late winter; sap buckets gather the sap, which is later turned into maple syrup!

Moon Phases for March 2022

All dates and times listed here are Eastern Time. See our Moon Phase Calendar for local times.

March Moon Phase Dates and Times

New Moon: March 2, 12:38 P.M. EST
First Quarter: March 10, 5:46 A.M. EST
Full Moon: March 18, 3:20 A.M. EDT
Last Quarter: March 25, 1:39 A.M. EDT

→ When is the next full Moon? Consult our Full Moon Calendar to find out!

March Worm Moon Video

Each month, we explain the traditional names of the full Moon along with some fascinating Moon facts. In this video, learn about the full Worm Moon, Moon illusions, and when and why the Moon rides high or low in the sky. Click below to watch the video.

Best Days in March 2022

Below are the best days for activities based on the Moon’s sign and phase in March.

For Planting

  • Aboveground crops: 2,3
  • Belowground crops: 20–22

For Setting Eggs

  • 17–19

For Fishing

  • 2–18

→See Best Days for more activities.

See more Full Moon Names and share your thoughts about this month’s Moon below!

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