270-degree dial

[marcelo.matos22]

Setting the hour hand for a single 12-hour turn and 270-degree dial

[petruuccios]

And what is the question?

[marcelo.matos22]

Setting the hour hand for a single 12-hour turn. ( On a 270 degree dial? )

[petruuccios]

It still does not sound like question, but sure it is possible to set hour hand to rotate 270° in 12h, for example like this:

but what you mean by single 12h turn? What should the hand do the other 12 hours?