Pagan Festivals - Wiccan Sabbats
There are eight major festivals in the Pagan / Wiccan year. They are normally regarded as beginning at Sunset and last until Sunset the following day.
Of these: four are Celtic in origin and four are solar festivals.
Solar festivals are the Winter Solstice (Yule) which is the shortest day, Summer Solstice (Midsummer) which is the longest day. The Spring Equinox and Autumn Equinox mark the time when hours of light and darkness are equal.
Samhain (Halloween) October 31st / November
Yule / Winter Solstice December 20th / 21st
Imbolc February 1st / 2nd
Spring Equinox March 20th / 21st
Beltane April 30th / 1st May
Midsummer June 21st / 22nd
Lughnasadh / Lammas August 1st / 2nd
Autumn Equinox September 20th / 21st