Well, if you need a way to count seconds that you are waiting, you could try looking at this guide.
But I must warn you, the guide is a little complicated. You could activate the timer by entering a zone and starting the timer (wait) at the bus station.
If not, you could try looking at some of these guides:
How to make an accurate timer 🟥
How to create a timer, the Kormorantian way!
I knew @Bardy_2913 was cooking something up…