In Neo-druidism, Alban Arthan is a seasonal festival at the Winter Solstice. The name derives from the writings of Iolo Morganwg. A group of British druids, congregating to celebrate the summer solstice at stonehenge. ... The Winter solstice or Midwinter occurres around December 21 or 22 each year in the northern hemisphere, and June 21 or 22 in the Southern Hemisphere. ... Iolo Morganwg (or Morgannwg in modern spelling; pronounced ) was the bardic name of Edward Williams (Llancarfan, Glamorgan, Wales 1747-1826), an influential antiquarian, poet, collector and literary forger. ...