Time frames are so dependent on whether or not you know what you're doing or not, it's really hard to answer such questions. It could take Bob Stupid a couple hundred hours to get past the title screen because he doesn't know how to plug in his controller. FF2 is longer than FF1, let's leave it at that.
My nick's Adamant. I have a "no 1" that looks stupid. Would've changed it if I could without losing karma. So it's Adamant, not Adamanto or Adamantno.