The Celtic tree calendar consists of 13 lunar divisions named after different trees, a system used by the Celts long before the introduction of the Roman calendar. This particular calendar is rooted in the idea that the ancient Celtic alphabet, known as ogham, corresponded with various trees. Within this framework, each month is assigned fixed dates and does not follow the usual lunar cycle of waxing and waning.
Here’s how the layout of the Celtic calendar appears:
- Beth (Birch) December 24 to January 20
- Luis (Rowan) January 21 to February 17
- Nion (Ash) February 18 to March 17
- Fearn (Alder) March 18 to April 14
- Saille (Willow) April 15 to May 12
- Uath (Hawthorn) May 13 to June 9
- Duir (Oak) June 10 to July 7
- Tinne (Holly) July 8 to August 4
- Coll (Hazel) August 5 to September 1
- Muin (Vine) September 2 to September 29
- Gort (Ivy) September 30 to October 27
- Ngetal (Reed) October 28 to November 24
- Ruis (Elder) November 25 to December 22
- December 23 is not governed by any tree, as it traditionally marks the “Year and a Day” in early legal practices.
Beth, representing the Birch month, symbolizes a period of rejuvenation and fresh endeavors. This is an opportune moment to reconnect with the light as the Sun returns. The Birch tree is the first to regenerate after a wildfire, making this month ideal for casting spells related to creativity, healing, safeguarding, and fertility.
Luis, known as the Rowan month, is linked with Brighid. This is a prime time for initiations and spells centered around power and achievement.
Nion is associated with the Ash month. It is ideal for spells focused on self-discovery, spiritual exploration, and prophetic visions. Tools that are most effective are often crafted from Ash tree branches.
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Fearn represents the Alder month, a period when the Alder tree thrives along riverbanks, connecting earth with the sky. It is the ideal time for making spiritual choices and conducting divination, and Alder features prominently in Faerie magick practices.
Saille signifies the Willow month, a time that favors spells of growth, healing, and those linked to female mysteries.
Uath denotes the Hawthorne month, characterized by themes of fertility, masculinity, sexual vitality, and energy. This month is particularly auspicious for conception, as male potency peaks, and is also a favorable time for decisions in business and professional relationships.
Duir represents the Oak month. The Oak stands tall above the forest and is revered among the Druids. It’s an excellent period to cast spells relating to prosperity and fortune.
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Tinne reflects the Holly month. The Holly takes precedence over the Oak as it wanes, being commonly used in protection spells. Keeping a holly sprig in your home provides safety for your loved ones.
Coll is the month of the Hazel. It focuses on wisdom and protection, making it an excellent time for magick centered on these themes.
Muin represents the Vine month. It signifies a time of great richness and plenty. Spells concerning joy and fervent passion are particularly potent now, aligning well with your ambitions, aspirations,
