As much as I am fond of my valve-display Nixi clock,
a (likely targeted) advert caught my eye, spruiking a LED based Nixi look alike.
Apart from multiple display modes (the Matrix-like screen saver is very cool)
it can interrogate Network time via Wi-Fi. Read: very accurate.
Of course I had to get one....
...it's now in the "pool room"
P.S. Not too hard to find if you google the nameplate on the attached pics