Tertiary Progressions

Tertiary Progressions. A forecasting method in which the natal chart is advanced one day for each month of life.
Tetragon. See "Square."
Third House. The house ruled by Gemini and Mercury.

Converse tertiary progressions are calculated on the basis of one day per lunar month, and tend to reflect the evolution of subtle, inner motivations and emotional responses, which are constellated by other movements such as transits.

See also: Symbol, Lunar, Moon, Midheaven, Planet