The most obvious effect of the sidereal/tropical difference is that about 80% of planets in a Western chart will move to the previous sign in a sidereal reading of the same chart.

• 恒星/赤道体系差别的最明显结果就是西洋图表的百分之八十行星在同样的恒星图表读法是会向前移动一个标记的位置。