Sabbats & Seasonal
History, Calendar & the Evolution of Samhain
Samhain · Section 2 of 10 · Sheet 1 of 2THE SEASONAL TURN
In traditional Irish seasonal reckoning, Samhain marked the first day of winter. The National Museum of Ireland describes November 1 as the beginning of winter and notes that, as with many traditional festivals, much of the celebration occurred on the preceding evening.
This makes Samhain a threshold festival in a very practical sense: the agricultural year is changing, the cold season is beginning, and communities are moving from harvest into winter.
MEDIEVAL EVIDENCE
Samhain appears in medieval Irish literature. Sources preserved in medieval manuscripts place it within the seasonal cycle and connect Samhain-time with significant gatherings, narratives, supernatural events, and moments of transition.
Medieval texts are important evidence that Samhain was a meaningful seasonal marker, but they are literary sources rather than modern ethnographic recordings of a single standardized “Celtic religion.” Use them carefully.
FOLK TRADITION
Later Irish folk tradition provides much more specific evidence for household and community customs around Halloween / Oíche Shamhna:
- seasonal feasting;
- fruit and nuts;
- games;
- courtship and marriage divination;
- disguise and masks;
- pranks and visiting;
- protective customs;
- candles and lanterns;
- remembrance of the dead;
- beliefs that spirits could be active or that the dead might return home.
These customs varied by place and time. They were not a universal script followed identically by every household.