17.25 GMT = 18.25 BST, which is when mail hit my inbox.
I bought the tickets yesterday evening and the 16.47 time seems about right.
Here is the tail end of the header
X-Originating-IP: [194.77.82.27]
X-OWM-Source-IP: 194.77.82.27(DE)
X-OWM-Env-Sender: git@odeon-job.krankikom.de
X-CTCH-RefID: str=0001.0A0B0201.57336B00.0293:SCGSTAT1769378,ss=1,re=-4.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=1024
X-CTCH-VOD: Unknown
X-CTCH-Spam: Valid-Bulk
Received: from odeon-job.krankikom.de (194.77.82.27) by rgin11.bt.ext.cpcloud.co.uk (9.0.019.04)
id 571F3FDE4894DA6E for helenvecht@btinternet.com; Wed, 11 May 2016 18:25:14 +0100
Received: by odeon-job.krankikom.de (Postfix, from userid 1011)
id 4E33D439D4E; Tue, 10 May 2016 17:47:04 +0100 (BST)
To: helenvecht@btinternet.com
Subject: ODEON BOOKING CONFIRMATION
Date: Tue, 10 May 2016 17:47:04 +0100
From: ODEON <booking@odeoncinemas.info>
Message-ID: <eeaae3b49442175735c1ab4a1882ee12@localhost.localdomain>
X-Priority: 3
X-Mailer: PHPMailer [version 1.73]
X-TicketBoxX-ID: 36512770@
X-TicketBoxX-Country: uk
X-TicketBoxX-Website: odeon
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="b1_eeaae3b49442175735c1ab4a1882ee12"
Content-Length: 12473
The whole process seems as useful as a chocolate teapot!