Our 2021 calendar includes full and new moon dates, traditional pagan celebration days, zodiac periods, Asatru, Celtic Tree months, and a few other noteworthy dates. This 2021 calendar is shown in Mountain Standard Time (USA).
January
2nd/3rd Quadrantids Meteor Shower (considered to be one of the best annual meteor showers)
12th New Moon (10:02 PM, MST)
14th Uranus becomes retrograde
19th Zodiac Period of Capricorn ends
20th Celtic Tree Month of Birch ends
20th Zodiac Period of Aquarius begins
21st Celtic Tree Month of Rowan begins
28th Full Wolf Moon (12:18 PM, MST)
Traditionally, this full Moon was called the Wolf Moon because it appeared in the night sky when the wolves howled outside the villages in hunger.
30th Mercury becomes Retrograde
31st Disting/Disablot
Also called “Charming of the Plough/Plow” after the Anglo-Saxon spell and ceremony
February
1st/2nd Imbolc
11th New Moon (12:08 PM, MST)
12th Chinese New Year (the year of the White Metal Ox)
15th Roman Holiday of Lupercalia
17th Celtic Tree Month of Rowan ends
18th Celtic Tree Month of Ash begins
18th Zodiac Period of Aquarius ends
19th Zodiac Period of Pisces begins
21st Mercury Retrograde ends
27th Full Snow Moon (1:17 AM, MST)
March
13th New Moon (3:23 AM, MST)
17th Celtic Tree Month of Ash ends
18th Celtic Tree Month of Alder begin
20th Ostara
20th Spring Equinox
20th Zodiac Period of Pisces ends
21st Zodiac Period of Aries begins
28th Full Worm Moon (12:50 PM, MST)

April
1st Roman Holiday of Veneralia
11th New Moon (8:32 PM, MST)
14th Celtic Tree Month of Alder ends
15th Celtic Tree Month of Willow begins
19th Zodiac Period of Aries ends
20th Zodiac Period of Taurus begins
22nd Yggdrasil Day
22nd/23rd Lyrids Meteor Shower
(The Lyrids is one of the oldest known meteor showers, being observed for 2,700 years)
26th Full Pink Moon (9:33 PM, MST) – Super moon
27th Pluto becomes Retrograde
30th Walpurgisnacht
May
1st Beltane
5th/6th Eta Aquarid Meteors
11th New Moon (1:01 PM, MST)
12th Celtic Tree Month of Willow ends
13th Celtic Tree Month of Hawthorn begins
20th Zodiac Period of Taurus ends
21st Zodiac Period of Gemini begins
23rd Saturn becomes Retrograde
26th Full Flower Moon (5:14 AM, MST) – Total Lunar Eclipse, also known as a Blood Moon – Super moon
30th Mercury becomes Retrograde

June
9th Celtic Tree Month of Hawthorn ends
10th Annual Solar Eclipse
10th Celtic Tree Month of Oak begins
10th New Moon (4:54 AM, MST)
20th Zodiac Period of Gemini ends
20th Jupiter becomes Retrograde
20th/21st Litha/Midsummer/Midsummarblot
20th/21st Summer Solstice (In 2021, the June solstice happens on Sunday, June 20, at 11:32 P.M. EDT.)
21st Zodiac Period of Cancer begins
23rd Mercury Retrograde ends
24th Full Strawberry Moon (12:40 PM, MST)
25th Neptune becomes Retrograde
July
7th Celtic Tree Month of Oak ends
8th Celtic Tree Month of Holly begins
9th New Moon (7:17 PM, MST)
22nd Zodiac Period of Cancer ends
23rd Zodiac Period of Leo begins
23rd Full Buck Moon (8:37 PM, MST)
August
1st Lammas
1st Freysblot
4th Celtic Tree Month of Holly ends
5th Celtic Tree Month of Hazel begins
8th New Moon (7:50 AM, MST)
12th/13th Perseid meteors
20th Uranus Retrograde ends
22nd Full Sturgeon Moon (6:02 AM, MST)
22nd Zodiac Period of Leo ends
23rd Zodiac Period of Virgo begins
September
1st Celtic Tree Month of Hazel ends
2nd Celtic Tree Month of Vine begins
6th New Moon (6:52 PM, MST)
20th Full Harvest Moon (5:54 PM, MST)
22nd Zodiac Period of Virgo ends
22nd Mabon
22nd Autumn Equinox
22nd Haustblot
23rd Zodiac Period of Libra begins
27th Mercury becomes Retrograde
29th Celtic Tree Month of Vine ends
30th Celtic Tree Month of Ivy begins
October
6th New Moon (5:05 AM, MST)
6th Pluto Retrograde ends
8th/9th Draconid Meteor Shower
11th Saturn Retrograde ends
14th Vetrablot
18th Mercury Retrograde ends
18th Jupiter Retrograde ends
20th Full Hunter’s Moon (8:57 AM, MST)
20th/21st Orionid Meteor shower
(The Orionid meteor shower is the second meteor shower created by Comet Halley)
22nd Zodiac Period of Libra ends
23rd Zodiac Period of Scorpio begins
27th Celtic Tree Month of Ivy ends
28th Celtic Tree Month of Reed begins
31st Samhain
31st Vetrnaetr
November
4th New Moon (3:15 PM, MST)
19th Full Beaver Moon (1:59 AM, MST)
21st Zodiac Period of Scorpio ends
22nd Zodiac Period of Sagittarius begins
23rd Celtic Tree Month of Reed ends
24th Celtic Tree Month of Elder begins
December
1st Neptune Retrograde ends
4th New Moon (12:44 AM, MST)
5th Krampusnacht
13th/14th Geminids Meteor Shower
17th Roman Holiday of Saturnalia
18th Full Cold Moon (9:37 PM, MST)
19th Venus Retrograde begins
21st Yule
21st Winter Solstice
21st Zodiac Period of Sagittarius ends
22nd Zodiac Period of Capricorn begins
23rd Celtic Tree Month of Elder ends
24th Celtic Tree Month of Birch begins
References to 2021 Calendar Events
The Sacred Tree Calendar of the Celtic People
Walpurgisnacht – The Night of the Witches
Lupercalia – The Deliciously Lustful Origin of Valentine’s Day
Rites & Rituals – Pagan Ceremonies, Rituals, and Full Moon Celebrations
- Beltane Ritual 2025 – The Fire Between the Worlds - April 16, 2025
- The Pagan Roots of Mother’s Day: Celebrating the Divine Feminine - April 11, 2025
- 2025 Full Pink Moon Ritual - April 9, 2025
I absolutely love your online calendar and would love to order one if they are in print. Great site, will def be back.
Blessed be.
Thank you, please feel free to share the link as we do not print them at this time.