Set system time back to 0?

So I have a bunch of events that are triggered when the time equals a certain number of seconds. Is there a way to reset the system time back to 0?

I'm asking this because after the addition of my title screen, it seems that the time is still going, and once I transition from the title screen layout to the game layout, some of the enemies are already on the screen, or have already passed.

I'd just use a manual time variable for this, which you can reset at will. Just add dt every tick.

Yeah, that would work. I guess I'll do that, I was just trying to see if there was a way to directly edit the time, because I'll have to go back and edit every event for an enemy spawn. That's fine though, thanks!