A-ON TIME
ON TIME=punctual, not late. If something happens ON TIME, it happens at the time which was planned
The 11.45 train left ON TIME.=it left at 11.45
I'll meet you at 7.30.ok, but please beON TIME.=don't be late,be there at 7.30
The conference was well-organised.Everything began and finished ON TIME.
The opposite of ON TIME is LATE
Be ON TIME . Don't be LATE.
B-IN TIME
IN TIME=for something/to do something. = soon enough.
Will you be home IN TIME for dinner=soon enoughfor dinner
I've sent Emma a birthday present.I hope it arrives IN TIME =for her birthday.
I'm in hurry .I want to be home IN TIME to see the game on television.=soon enough to see the game.
The opposite of IN TIME is TOO LATE
I got home TOO LATE to see the game on television.
You can say JUST IN TIME= almost too late
We got to the station JUST IN TIME for our treain
A child ran into the road in front of the car- I managed to stop JUST IN TIME.