Okay then. Here's how I did the timers in This Cursed Rock (I had a lot of cutscene events that were dependent on time).
Create a variable called "timerCount" either as a global or in one of your objects. Next, create a variable called "timerStart." Set both to default at 0.
Next, when you want your timer to start, set "timerStart" to 1. Then do this: