Alternate Calendars :: Celtic Tree
The Celtic tree calendar is based on ogham, an ancient tree alphabet of Ireland and Britain. Each letter has associated symbolism and correspondences. Since the Celtic day began at sunset, the new tree month began at sundown on the eve of the date listed.
| Beth (Birch) | Dec 24 – Jan 20 |
| Luis (Rowan) | Jan 21 – Feb 17 |
| Nuin (Ash) | Feb 18 – Mar 17 |
| Fearn (Alder) | Mar 18 – Apr 14 |
| Saille (Willow) | Apr 15 – May 12 |
| Huath (Hawthorn) | May 13 – June 9 |
| Duir (Oak) | June 10 – July 7 |
| Tinne (Holly) | July 8 – Aug 4 |
| Coll (Hazel) | Aug 5 – Sep 1 |
| Muin (Vine) | Sep 2 – Sep 29 |
| Gort (Ivy) | Sep 30 – Oct 27 |
| Ngetal (Reed) | Oct 28 – Nov 24 |
| Ruis (Elder) | Nov 25 – Dec 22 |
| The Secret of the Unhewn Stone December 23 |