From: Frank Reed
Date: 2016 Sep 13, 08:56 -0700
I say zenith with a long "e", as if it were spelled zeenith. I have a Canadian colleague who says zenith with a short "e". I notice at dictionary.com that they say that the short e pronunciation is "esp. British". Does that match with what you all have found?
Frank Reed (pronounced Frank Red in certain parts of the old Danelaw)