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Full moon names and dates for 2020, including December's Cold MoonFull moons, illuminate the sky

Full moons illuminate the sky every month, but why do they have different names?

Dust off those binoculars and keep your eyes on the skies, as the final full moon of 2020 is fast approaching as one of 13 full moons to admire in 2020, December's moon was dubbed the Cold Moon by Early Native Americans due to the return of dark nights and cold conditions.

But when and how can you see it? Here we've compiled a complete guide to the Moon, Earth's only natural satellite and the largest and brightest object in our night sky, which has enchanted and inspired mankind for centuries.

From supermoon to blue moon, here's everything explained in one place.

When is the next full moon?

The next full moon, otherwise known as the Beaver Moon, is set to grace our skies on

December 30 at 3:38 am.

How often does a full moon occur?

A full moon occurs every 29.5 days and is when the Moon is completely illuminated by the Sun's rays. It occurs when the Earth is directly aligned between the Sun and the Moon.

While most years see 12 full moons, some years have 13. This means that some months will see two full moons, with the second known as a Blue Moon.

In 2020, 13 full moons will grace our skies, with the second of two full moons in October is known as the Blue Hunter's Moon.

Why do full moons have different names?

The early Native Americans didn't record time using months of the Julian or Gregorian calendar. Instead, tribes gave each full moon a nickname to keep track of the seasons and lunar months.

Most of the names relate to an activity or an event that took place at the time in each location. However, it wasn't a uniform system and tribes tended to name and count moons differently. Some, for example, counted four seasons a year while others counted five. Others defined a year as 12 moons, while others said there were 13.

Colonial Americans adopted some of the moon names and applied them to their own calendar system which is why they're still in existence today, according to the Farmer’s Almanac.

December: Cold Moon

Nights are long and dark and winter's grip tightens, hence this full moon's name. Falling in the festive season, it's also referred to as Moon before Yule and Long Nights Moon.

When? December 30

Past 2020 full moons

January: Wolf Moon

This full moon was named because villagers used to hear packs of wolves howling in hunger around this time of the year. It's also known as the Old Moon, Ice Moon, and Snow Moon, although the latter is usually associated with February's full moon.

Last year, January's full moon, dubbed the ‘super blood wolf moon’, was a spectacular sight. Occurring as the product of three different phenomena: it was a supermoon, a Wolf Moon, and a blood moon.

This year, the night of the Wolf Moon also saw a penumbral lunar eclipse take place. This type of eclipse is frequently mistaken for a normal full moon and occurs when the Moon moves through the outer, fainter part of the Earth's shadow.

When? January 10

February: Snow Moon

The Snow Moon is named after the cold white stuff because historically it's always been the snowiest month in America. It's also traditionally referred to as the Hunger Moon, because hunting was very difficult in snowy conditions.

When? February 9

March: Worm Moon

As temperatures warm, earthworm casts begin to appear and birds begin finding food. It also has multiple other names including the Sap Moon, Crow Moon, and Crust Moon, while its Anglo Saxon name is the Lenten Moon.

This year's Worm Moon was also a super full moon, appearing up to 30 per cent brighter and 14 per cent bigger to the human eye.

This full moon graces our skies in the same month as the Spring Equinox, which falls on March 20 this year, and also the micro new moon, which takes place on March 24 and sees the new moon at its furthest point from the Earth during its orbit.

When? March 9

April: Pink Moon

April's full moon is known as the Pink Moon, but don't be fooled into thinking it will turn pink. It's actually named after pink wildflowers, which appear in North America in early spring.

It is also known as the Egg Moon, due to spring egg-laying season. Some coastal tribes referred to it as Fish Moon because it appeared at the same time as the shad swimming upstream.

This full moon is important because it is used to fix the date of Easter, which is always the Sunday after the first full moon following the spring equinox. This year, that moon appeared on Thursday, April 8, which means Easter Sunday fell four days later, on Sunday, April 12.

The Pink Moon appears during the same month as the Lyrid meteor shower and in 2020, it was also the second super full moon of the year.

When? April 8

May: Flower Moon

Spring has officially sprung by the time May arrives, and flowers and colorful blooms dot the landscape.

This full moon is also known as Corn Planting Moon, as crops are sown in time for harvest, or Milk Moon, as May was previously known as the "Month of Three Milkings".

When? May 7

June: Strawberry Moon

This full moon is named after the beginning of the strawberry picking season. Its other names are Rose Moon and Hot Moon, after the start of the summer's warm weather.

It appears in the same month as the summer solstice, the longest day of the year (June 20) in which we can enjoy 16 hours, 38 minutes, and 20 seconds of daylight.

This year, the night of the Strawberry Moon also saw a penumbral lunar eclipse take place. During the maximum phase of the eclipse, space observers in Europe, Asia, Australia, and Africa may have seen the Moon's surface turn slightly darker than usual.

When? June 5

July: Thunder Moon

Named due to the prevalence of summer thunderstorms. It's otherwise known as the Full Buck Moon because at this time of the year a buck's antlers are fully grown.

In 2019, the Thunder Moon was extra special because not only did it coincide with the partial lunar eclipse, it also fell on the 50th anniversary of the Apollo 11 mission.

This year, space fans may have seen July's full moon turn a shade darker than usual, as the third penumbral lunar eclipse of 2020 took place.

When? July 5

August: Sturgeon Moon

Tribes in North America typically caught Sturgeon around this time, but it is also when grain and corn were gathered so is sometimes referred to as Grain Moon.

This full moon appears in the same month as the Perseid meteor shower, which peaks on August 12 and 13.

This year, a black moon (the third new moon in a season of four new moons), also took place on August 19. However, we weren't able to see this lunar event as new moons are invisible to the naked eye.

When? August 3

September and October: Full Corn Moon and Harvest Moon

It was during September that most of the crops were harvested ahead of the autumn and this full moon would give light to farmers so they could carry on working longer in the evening. As a result, it is most commonly known as the Harvest Moon, with some tribes also calling it the Full Corn Moon, Barley Moon, or Fruit Moon.

However, the Harvest Moon is the name given to the first full moon that takes place closest to the Autumn Equinox. While the Harvest Moon usually falls in September, around every three years the timings of the astronomical seasons lead to it falling in October instead.

In 2020, the Autumn Equinox fell on September 22, with the closest full moon falling in October. Therefore, September's full moon was known as the Full Corn Moon, while the first of two full moons in October was the Harvest Moon.

When? September 2 and October 1

October: Hunter's Moon

As people planned ahead for the cold months ahead, October's full moon came to signify the ideal time for hunting game, which were becoming fatter from eating falling grains. This full moon is also known as the Travel Moon and the Dying Grass Moon.

In 2020, the Hunter's Moon was also a blue moon, because it was the second of two full moons to occur in October.

When? October 31

November: Beaver Moon

Beavers typically start building their winter dams around now, leading to this full moon moniker. It is also known as the Frost Moon as winter frosts historically began to take their toll during this time.

When? November 30

Total lunar eclipses

A total lunar eclipse, otherwise known as a 'blood moon', occurs when the Moon moves into the Earth’s shadow. At the distance of the Moon, this shadow appears like the bull’s eye at the center of a dartboard.

The umbral shadow slowly creeps across the Moon’s disc until it engulfs it completely. You might think the Moon would disappear from view at this point but this is typically not the case. The Earth’s atmosphere acts like a lens, refracting or bending the Sun's red light to infill the otherwise dark umbra. This results in the Moon's usual bright white hue transforming into a deep blood orange.

Space fans will remember that the last total lunar eclipse graced our skies on January 21, 2019. In total the celestial spectacle - which was also a full moon and a supermoon - lasted five hours, 11 minutes, and 33 seconds, with its maximum totality peaking at 5:12 am.

While the next total lunar eclipse is not set to take place in the UK until May 16, 2022, three penumbral lunar eclipses occurred this year on January 10, June 5, and July 5.

This type of eclipse takes place when the Moon moves through the outer part of the Earth's shadow, also known as the penumbra, causing a slight darkening of the lunar surface. Therefore, it is easily mistaken for a normal full moon and unlike a total lunar eclipse, it can be difficult to notice or observe.

Once in a blue moon

Does this well-known phrase have anything to do with the Moon? Well, yes it does. We use it to refer to something happening very rarely and a blue moon is a rare occurrence.

A monthly blue moon is a name given to a second full moon that occurs in a single calendar month and this typically occurs only once every two to three years. In 2020, the Hunter's Moon on October 31 will also be a blue moon because it is the second full moon to occur in October.

A seasonal blue moon describes the third of four full moons to occur in an astronomical season. In 2019, May's Flower Moon was a seasonal blue moon.

There are lots of other moons, too - how many do you know?

Full moon: We all know what these are. They come around every month and light up the sky at night.

New moon: Sometimes known as the invisible phase, as it generally can't be seen in the sky. It's when the Sun and Moon are aligned, with the Sun and Earth on opposite sides of the Moon. As a result, the side of the Moon that faces the Earth is left in complete darkness.

Black moon: Most experts agree that this refers to the second new moon in a calendar month, while some use the term to describe the third new moon in a season of four new moons. The last black moon took place on August 19, 2020.

Blood moon: Also known as a total lunar eclipse. It's when the shadow of Earth casts a reddish glow on the moon, the result of a rare combination of an eclipse with the closest full moon of the year. There was one in the UK in January 2019, with the next one set to be visible over South America, North America, and parts of Europe and Africa on May 16, 2022. Space fans in the UK won't be able to see every phase of this eclipse but should be able to see it at totality when the Moon appears with a reddish-orange glow.

What is a supermoon?

Ever looked up at the night sky to see a full moon so close you could almost touch it? Well, you've probably spotted a supermoon.

The impressive sight happens when a full moon is at the point in its orbit that brings it closest to Earth. To us Earth-lings, it appears up to 30 per cent brighter and 14 per cent bigger.

A supermoon is not an astrological term though. Its scientific name is actually Perigee Full Moon, but supermoon is more catchy and is used by the media to describe our celestial neighbor when it gets up close.

Astrologer Richard Nolle first came up with the term supermoon and he defined it as "… a new or full moon which occurs with the moon at or near (within 90 per cent of) its closest approach to Earth in a given orbit", according to

How many supermoons are there in 2020?

Three super full moons graced our skies in 2020. They appeared on March 9, April 8, and May 7.

What do I look for?

Head outside at sunset when the Moon is closest to the horizon and marvel at its size. As well as being closer and brighter, the Moon (clouds permitting) should also look orange and red in colour.

Why? Well, as moonlight passes through the thicker section of the atmosphere, light particles at the red end of the spectrum don't scatter as easily as light at the blue end of the spectrum.

So when the Moon looks red, you're just looking at a red light that wasn't scattered. As the Moon gets higher in the sky, it returns to its normal white/yellow colour.

Will the tides be larger?

Yes. When full or new moons are especially close to Earth, it leads to higher tides. Tides are governed by the gravitational pull of the Moon and, to a lesser extent, the Sun. Because the Sun and Moon go through different alignments, this affects the size of the tides.

Tell me more about the Moon

  • The Moon is 4.6 billion years old and was formed between 30-50 million years after the solar system.

  • It is smaller than Earth - about the same size as Pluto in fact.

  • Its surface area is less than the surface area of Asia - about 14.6 million square miles according to

  • Gravity on the Moon is only 1/6 of that found on Earth.

  • The Moon is not round, but is egg-shaped with the large end pointed towards Earth.

  • It would take 135 days to drive by car to the Moon at 70 mph (or nine years to walk).

  • The Moon has "moonquakes" caused by the gravitational pull of Earth.

  • Experts believe the Moon has a molten core, just like Earth.

How was the Moon formed?

Man on the Moon

Only 12 people have ever walked on the Moon and they were all American men, including (most famously) Neil Armstrong who was the first in 1969 on the Apollo 11 mission.

The last time mankind sent someone to the Moon was in 1972 when Gene Cernan visited on the Apollo 17 mission.

Although Armstrong was the first man to walk on the Moon, Buzz Aldrin was the first man to urinate there. While millions watched the Moon Landing on live television, Aldrin was forced to go in a tube fitted inside his spacesuit.

When the astronauts took off their helmets after their moonwalk, they noticed a strong smell, which Armstrong described as “wet ashes in a fireplace” and Aldrin as “spent gunpowder”. It was the smell of moon-dust brought in on their boots.

The mineral, armalcolite, discovered during the first moon landing and later found at various locations on Earth, was named after the three Apollo 11 astronauts, Neil Armstrong, Buzz Aldrin, and Michael Collins.

An estimated 600 million people watched the Apollo 11 landing live on television, a world record until 750 million people watched the wedding of the Prince of Wales and Lady Diana Spencer in 1981.

One of President Nixon’s speechwriters had prepared an address entitled: “In Event of Moon Disaster”. It began: “Fate has ordained that the men who went to the moon to explore in peace will stay to rest in peace.” If the launch from the Moon had failed, Houston was to close down communications and leave Armstrong and Aldrin to their death.


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