The time script for my Timer is
//declare
float playerLevelTime;
Text text;
// assign
void Start ()
{
text = GetComponent <Text> ();
playerLevelTime = 0;
}
//do something
void Update ()
{
playerLevelTime = playerLevelTime = Mathf.Floor(100*Time.timeSinceLevelLoad)/100;
text.text = "TIME: " + playerLevelTime.ToString();
}