Their Stations
His statement, “and their stations”: that is, the stations of the sun and the moon—meaning the stations marked by the summer and winter stars. They are twenty-eight stations, through one of which the moon passes each night. For two nights, or for one night, it remains concealed and cannot be seen. This is why the twenty-ninth and thirtieth nights, or the twenty-eighth and twenty-ninth nights, are called the “nights of concealment,” meaning that the moon is hidden during them and cannot be seen.
These twenty-eight stations are traversed by the sun over the course of a full year, whereas the moon completes its circuit through them in a month, doing so twelve times in a year. The sun, however, completes its circuit through them only once a year.
How, then, do we use their stations as evidence?
The answer is that we look, for example, at the northern stars that divide the east