Anima Astrologiae or A Guide for Astrologers by William Lilly 1676

The 88th is to Consider, The Planet from whom not only the Moon separates, how he is disposed, &c., but the next to whom she is joined, so that there be not above 51 minutes distance between them, the first signifying what is past, the second what is now present, as we have already said, and also look to whom she will next be joined after separation from him with whom she is at present; for he will signify (according as he is disposed) the issue, or what is to come.

89.To observe the Duodenary of the Moon