How a profection year is divided into months, each a sign on from the last.
"solar" (default): twelve, each from when the Sun has gained another 30°
on its natal longitude. "twelfths": twelve equal parts of the year.
"thirteenths": thirteen equal parts, the last repeating the year's sign.
How a profection year is divided into months, each a sign on from the last.
"solar"(default): twelve, each from when the Sun has gained another 30° on its natal longitude."twelfths": twelve equal parts of the year."thirteenths": thirteen equal parts, the last repeating the year's sign.