What is Imbolc?  Imbolc is a cross quarter Sabbat, third in the Celtic wheel if the year. (the Celtic year starts at Samhain).    In some documents the year begins with Wassail. Imbolc is celebrated on the 1st February in the calendar but astrologically it has shifted to the 5th. The festival is dedicated to the goddess Brigid, daughter of The Dagda and one of the Tuatha Dé Danann. Brigid was, and is once more, a goddess of spring, new beginnings, pregnancy, birth, sewing of