[ccurtsinger]

No. The clocks use the local Date object, but the rotation calculations for hour hand were copied over from a 12 hour clock.

One downside of 24 hour clocks: a broken one is only right once a day.

[rplnt]

Another downside is that it's confusing all day long. I have yet to see such clock somewhere else than US television. And to be honest, I don't see a point of such clock-face.

[cormullion]

Here are some more for you to see...

http://24hourtime.info