Time zones count bars along the Fibonacci sequence, so ratio here is a
multiple of the anchor leg, not a fraction of it. No colour is set: there is
no convention for "the 13 line", so every zone takes the drawing's own colour
until the user gives one its own.
Time zones count bars along the Fibonacci sequence, so
ratiohere is a multiple of the anchor leg, not a fraction of it. No colour is set: there is no convention for "the 13 line", so every zone takes the drawing's own colour until the user gives one its own.