(One can use either the closing low or intraday low for day counting, when the two are nearby. I have decided to use 9/29/15. It's a minor matter because all my dates are (+/-1).)
1. I have been watching a Lindsay 3P+DH pattern since the sharp "separating decline" into 8/24-8/25. Since those lows, I have been able to fit subsequent pivots into points #11, #12, #13, and #14. 9/29 is identified as point #14. (See the first two charts). From point #14, I use the Lindsay 224 (+/-1) calendar day count to identify the high pivot of the pattern.
9/29/15 + 224 calendar days = 5/10/16.
2. None of this has anything to do with AstroDates. Now, I point your attention to the Bradley chart for 2016, the third chart in this post. You will notice the direct hit. Also, note the New Moon on 5/7/16. George Lindsay noted that his best patterns often ended "near a moon." Yes, there is a bit of latitude there. I have noticed that major highs often print near a New Moon (example: the 10/11/07 New Moon). There is a New Moon in Taurus (The Bull) on 5/7 while giant Jupiter changes directions, making the AstroWindow a Bradley Date Plus.
3. I trust you are aware of seasonality and how it supports the "Sell in May" theory. This is an additional confluence. One of many charts in the blogosphere supporting this idea is posted as the fourth chart below.
I wish you all: Good luck!