Symbols - What does heaven look like
Wheel with eight spokes based on the Zodiac
As should be apparent if you look at all the variations of the wheel, there are an almost limitless number of alternative ways that you can divide up the cycle of change. One still with eight spokes but which uses the Zodiac is shown below. Functionally, the activities involved in the cycle are the same, it is just that they have been apportioned differently into the boxes.