This instant is usually seen as a 24 hour period and can occur between June 20th and 24th each year. This Year it falls on the 21st at 5:45am. It is also usually the shortest day or longest night for the year.
Astronomically it is seen as the beginning of the shortening of days and lengthening of nights and the time of rebirth and Birth-Life-Death life cycle.
This time is also know by many different names such as DongZhi by the East Asian Cultures and the Mahayana Buddhists, Yule by the Vikings, Nth Europe, Wicca and Germanic cultures, Soyal by the Zuni and Hopi, Seva Zistane by the Kurdish, Goni by the Mali, Inti Raymi by the Incan and Peruvian, Mean Geimhridh by Celtic, Ancient Welsh and Neodruidic, Wayeb by the Mayans and The Solar New Year.
This time of year is celebrated with feasting, singing, dancing, spending time with the family and with Fire of the Hearth.