This is the guy who said April 13th was the end.
I’d never heard of Cahn until I posted the article last night, but appears that the April 13th thing was a rumor falsely attributed to him: https://www.youtube.com/watch?v=mUGMS53gRdg
On April 11 he posted about the rumor on his FB page, emphatically denying he made such a prediction: https://www.facebook.com/Jonathan-Cahn-Official-Site-255143021176055/