How long does an enamel based paint take to cure? Lacquer?

I know lacquer is the better one to use, but I just wanted to know for comparison. The cans don't say how long it takes.
It varies. What brand? How many coats? How thick? What kind of enviornment is it drying in?
"The most important thing is to learn how to play the guitar before you get 50,000 dollars worth of complicated gear" -Slash

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