2011 Full Moons, calendar of full moons in 2011

Learn more about the full moon in 2011 below including the traditional moon names and other celestial events that occurred during the full moon. Dates are listed based on US Eastern Time.

Photo of the moon on a starry background for the calendar of 2011 full moons
The first full moon of 2011 was on Wednesday, January 19, 2011.

A full moon occurs in the middle of the lunar month when the Earth is directly between the Sun and the Moon. The Moon appears completely illuminated, giving the phase its name. A synodic month is about 29.53 days on average, resulting in 12 or 13 full moons per calendar year, depending on how the lunar schedule aligns.

The full moon time represents the moment that the full moon is at its fullest. All times are in the U.S. Eastern Time Zone adjusted for Daylight Savings Time for part of the year. The dates may shift depending on your location and time zone.

Full Moon 2011 Calendar with lunar eclipses

In 2011, there were 12 full moons. The year had two lunar eclipses.

Illustration of the full moon dates in 2011 including full moon names
Calendar with 12 full moons

The dates of the 2011 Full Moons were:

January 19, 2011 (Super Wolf Moon)

In January 2011, the Full Moon was known as the Super Wolf Moon and occurred on Wednesday, January 19 at 4:21 p.m. EST. It was the full moon in Cancer. The January Full Moon was the first full moon of Winter. The December 2010 full moon occurred before the Winter Solstice. The full moon in January was the first full moon after the 2010 Winter Solstice. The January Full Moon was one of the year’s supermoons.

February 18, 2011 (Super Snow Moon)

In February 2011, the Full Moon was known as the Super Snow Moon and occurred on Friday, February 18 at 3:36 a.m. EST. It was the full moon in Leo. The February Full Moon was the second full moon of Winter. The February Full Moon was one of the year’s supermoons.

March 19, 2011 (Super Worm Moon)

In March 2011, the Full Moon was known as the Super Worm Moon and occurred on Saturday, March 19 at 2:10 p.m. EDT. It was the full moon in Virgo. The March Full Moon was the last full moon of Winter. The March Full Moon was one of the year’s supermoons.

April 17, 2011 (Super Pink Moon)

In April 2011, the Full Moon was known as the Super Pink Moon and occurred on Sunday, April 17 at 10:44 p.m. EDT. It was the full moon in Libra. The April Full Moon was the first full moon of Spring. The April Full Moon was one of the year’s supermoons.

May 17, 2011 (Super Flower Moon)

In May 2011, the Full Moon was known as the Super Flower Moon and occurred on Tuesday, May 17 at 7:09 a.m. EDT. It was the full moon in Scorpio. The May Full Moon was the second full moon of Spring. The May Full Moon was one of the year’s supermoons.

June 15, 2011 (Strawberry Blood Moon)

In June 2011, the Full Moon was known as the Strawberry Blood Moon and occurred on Wednesday, June 15 at 4:13 p.m. EDT. It was the full moon in Sagittarius. The June Full Moon was the last full moon of Spring. The lunar eclipse in June was a Total Lunar Eclipse, also called a Blood Moon.

July 15, 2011 (Full Buck Moon)

In July 2011, the Full Moon was known as the Full Buck Moon and occurred on Friday, July 15 at 2:39 a.m. EDT. It was the full moon in Capricorn. The July Full Moon was the first full moon of Summer.

August 13, 2011 (Full Sturgeon Moon)

In August 2011, the Full Moon was known as the Full Sturgeon Moon and occurred on Saturday, August 13 at 2:57 p.m. EDT. It was the full moon in Aquarius. The August Full Moon was the second full moon of Summer.

September 12, 2011 (Full Harvest Moon)

In September 2011, the Full Moon was known as the Full Harvest Moon and occurred on Monday, September 12 at 5:27 a.m. EDT. It was the full moon in Pisces. The September Full Moon was the last full moon of Summer. The September full moon was called the Full Harvest Moon because it was closer to the Autumn Equinox than the October Full Moon.

October 11, 2011 (Full Hunter’s Moon)

In October 2011, the Full Moon was known as the Full Hunter’s Moon and occurred on Tuesday, October 11 at 10:06 p.m. EDT. It was the full moon in Aries. The October Full Moon was the first full moon of Autumn.

November 10, 2011 (Full Beaver Moon)

In November 2011, the Full Moon was known as the Full Beaver Moon and occurred on Thursday, November 10 at 3:16 p.m. EST. It was the full moon in Taurus. The November Full Moon was the second full moon of Autumn.

December 10, 2011 (Cold Blood Moon)

In December 2011, the Full Moon was known as the Cold Blood Moon and occurred on Saturday, December 10 at 9:37 a.m. EST. It was the full moon in Gemini. The December Full Moon was the last full moon of Autumn. The lunar eclipse in December was a Total Lunar Eclipse.

Full Moon Phases

The full moon phases in 2011 were

Full Moon 2011U.S. Eastern TimeLunar PhaseFull Moon NameSeason
January 19, 20114:21 PM ESTJanuary Full MoonSuper Wolf MoonWinter
February 18, 20113:36 AM ESTFebruary Full MoonSuper Snow MoonWinter
March 19, 20112:10 PM EDTMarch Full MoonSuper Worm MoonWinter
April 17, 201110:44 PM EDTApril Full MoonSuper Pink MoonSpring
May 17, 20117:09 AM EDTMay Full MoonSuper Flower MoonSpring
June 15, 20114:13 PM EDTJune Full MoonStrawberry Blood MoonSpring
July 15, 20112:39 AM EDTJuly Full MoonFull Buck MoonSummer
August 13, 20112:57 PM EDTAugust Full MoonFull Sturgeon MoonSummer
September 12, 20115:27 AM EDTSeptember Full MoonFull Harvest MoonSummer
October 11, 201110:06 PM EDTOctober Full MoonFull Hunter’s MoonAutumn
November 10, 20113:16 PM ESTNovember Full MoonFull Beaver MoonAutumn
December 10, 20119:37 AM ESTDecember Full MoonCold Blood MoonAutumn

Equinoxes and Solstices

The 2011 dates of the equinoxes and solstices were:

  • Spring Equinox (Vernal): March 20, 2011 at 7:21 PM
  • Summer Solstice: June 21, 2011 at 1:16 PM
  • Autumnal Equinox: September 23, 2011 at 5:05 AM
  • Winter Solstice: December 22, 2011 at 12:30 AM

What are the phases of the moon?

The four primary phases are the new moon, the first quarter, the full moon, and the last quarter. The minor phases are the waxing crescent, the waxing gibbous, the waning gibbous, and the waning crescent.

The lunar month lasts an average of 29.53 days and begins with the new moon. The first quarter moon occurs between the new moon and the full moon.

A full moon occurs in the middle of the lunar month when the Earth is directly between the Sun and the Moon, so the moon looks completely illuminated. The last quarter moon occurs after the full moon and before the next new moon.

Frequently Asked Questions

Here are a few frequently asked questions about the 2011 Full Moon Calendar to help you look back at the year.

When was the first full moon of 2011?

The first full moon of 2011 was on Wednesday, January 19, 2011 at 4:21 p.m. It was called the Full Wolf Moon as it was the January Full Moon. It was the first full moon of Winter because the December 2010 full moon occurred before the Winter Solstice.

When was the last full moon of 2011?

The last full moon of 2011 was on Saturday, December 10, 2011 at 9:37 a.m. It was called the Full Cold Moon. The December Full Moon was also the last full moon of Autumn as it occurred before the Winter Solstice. The January 2012 Full Moon was the first full moon of Winter the next year.

Photo of the moon on a starry background for the calendar of 2011 full moons

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