Hi Dave,
 There is no atomic clock that listens to WWV to automatically set the time. They only make US time zone clocks.
I use a Raspberry Pi and run a program called Ham Clock. Just to let you know that Raspberry PI is a tricky program and it took me 2 days to get Ham Clock to run. I almost purchased a Geochron that runs on a PC or TV screen, Gigi Parts sells them for $450. The Geochron and Ham Clock both use the internet to sync the correct time.
Sorry that I could not be of more help but I too was looking for a clock to do both GMT and local time that syncs with a standard and could not find one.
73,
Bob, W2ARP

On Sat, Feb 26, 2022 at 12:45 PM David Deem <daviddeem@gmail.com> wrote:
I need a recommendation or 2 for an accurate clock for my shack.  Digital please.  I now have a MFJ 12/24 hour dual LCD clock which is patently inaccurate?

Suggestions?

73,

Dave K3NGN
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--
A. Robert Pantazes, Retired Broadcast Engineer from Broadcast Science.
E-mail address is W2ARP@arrl.net or robert.pantazes@gmail.com
Living in Paradise at:
314 SE 20th Place, Cape Coral, FL 33990.
Home Phone 239-800-3217 up till 9 PM.
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Amateur Radio Call is W2ARP, ARRL and Laurel certified Volunteer Examiner for Amateur Radio testing (Extra Class). Chair Of the Technical Committee of Fort Myers Amateur Radio Club, the South Jersey DX Association as Treasurer  . Past President of Southern Counties Amateur Radio Association (SCARA), Member of:ARRL, 10-10 Int, Chaverim of Delaware Valley, NAQCC,  Southern Counties Radio Association and the Cape May County Amateur Radio Club, both are in NJ. Member of the Quarter Century Wireless Association, Active in the SW Florida Traffic Nets..
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Member and Treasurer of Noah Lodge 357 of F&AM.
Vice President of the Fort Myers Camera Club.
Secretary of the Society of Broadcast Engineers Chapter # 90, Fort Myers, FL