Sky Calendar

MoonPhasesSky calendars are known in many civilizations. I’ve always been curious about cultural time keepers. Tracking the stars has a connection with the belief system of the people using. Metholithic finds like Stonehenge feed our curiosity. How was it used exactly?

The Sequani Calendar stone tablet was unearthed in Cologny in 1897 and researchers have been using it match the movement of stars with the beliefs of Celtic tribes.

While we are not members of historical Celtic tribes, the German tribes that lived on the east side of Rhine had a shared Neolithic (farming) experience with those communities on the west side of the Rhine – so we’re going to use it track the stars month by  month and see what we learn.

The calendar uses a 19 year cycle, or the Metonic cycle of the moon. The year is divided into the light and dark side of the year. The light begins at the Winter Solstice and the dark half begins at the Summer Solstice.

The months (or moonths) begin on the sixth day of a waxing moon (first quarter) with the full month landing on the 8th day of the first half  (light side) of the month. The dark half begins on the third quarter waning moon. The new (dark) month occurs on the 8th day of the dark side of the of the month.

A star of primary magnitude (PRIN) marks the beginning of each month.

From the, “Primary stars appear on the Eastern Horizon shortly after sunset on the first day the month (6th day of waxing moon). They are easy to identify as they are the brightest in the night sky and appear first to the naked eye. The constellations of these stars are deities of the Celts, and as they travel the night sky through the seasons, their stories are told. In turn, groups of constellations in each season tell the stories of the seasons of the year.”

  • Samonios (first quarter moon 12/8/13) PRIN: Castor and Pollux
  • Dumannios (first quarter moon 1/7/14) PRIN: Sirius
  • Rivros (first quarter moon 2/6/14) PRIN: Regulus
  • Anagantios (first quarter moon 3/8/14) PRIN: Arcturus
  • Ogronios (first quarter moon 4/7/14) PRIN: Vega
  • Cvtios (first quarter moon 5/5/14) PRIN: Deneb
  • Ogmios (first quarter moon 6/4/14) Intercalary Moon
  • Giamonios (first quarter moon 7/4/14) PRIN: Altair
  • Simivisonnios (first quarter moon 8/3/14) PRIN: Altair
  • Eqvos (first quarter moon 9/1/14) PRIN: Equuleus
  • Elembivios (first quarter moon 10/1/14) PRIN: Capella
  • Edrinios (first quarter moon 10/30/14) PRIN:



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