After Effect expression for text to create a text counter using time value.

textCounter.js

var startFrame = 60.0;
var totalFrame = 240.0;
var totalTime = 10.0;
var t = Math.round((timeToFrames(time)-startFrame)/totalFrame*totalTime);
if(t <0){
	"0 時間"
}else if(t <= totalTime){
	t + " 時間"
}else{
	Math.round(totalTime) + " 時間"
}