I agree - using the moon is VERY clever! I wonder how many people actually know about that??? Nonetheless, I think using my app *_Sun and Shade Analyzer (SASHA <https://play.google.com/store/apps/…>) _*is far simpler ;-) -- George Koulomzin 7 Bridge Hill Lane, PO Box 781 Bridgehampton, NY, 11932 (h) 631-537-4956 (c) 914-393-6179 _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/…