What's really intriguing is that although modern digital clocks are more accurate than analog clocks, this "digital" clock is being driven from an analog clock.

If you look carefully in the original photograph, you can see an analog clock on the control panel, presumably the source time from which the digital time is determined.

I'd love to see them try to re-set this thing. Or, for that matter, any photos or video of it when it was actually installed.

Poor Lord Kelvin had quite terrible prognostication abilities...