Yes, of course. Just modify a file on the volume.
I believe I have explained to you at least three times that this does not work.
I also keep recommending http://aminet.net/package/util/time/TimeKeeper
I'm not sure that would be right as the OP's machine does have a clock presumably, but his battery is missing. If so, then it will remember the time between reboots anyway (if he sets it with setclock or time prefs first of course).