Writing Equation 

Historiography Physics

T Calendar Gears Gregorian Calendar Full Year 2020 September 30 Yule

Mid-Winter, or the days halfway point in the earths orbit around the sun, matched by mid-summer or Litha.

This approximately Dec 22 date, the year to year exact second the earth passes through this fixed point in the orbit around the sun, is a fixed point to measure to and from.

Yule

Months

Days

Year Count Down

Year Count Up

Gear

T Season

G Season

 

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References

TR Welling