[1.14] running code at certain reallife time

    public int scheduleRepeatAtTime(Plugin plugin, Runnable task, int hour) {
       
        int back = 0;
        initializeVariables();
       
        Calendar cal = Calendar.getInstance();
   
        long now = cal.getTimeInMillis();

        if(cal.get(Calendar.HOUR_OF_DAY) > hour) {
            cal.add(Calendar.DATE, 1);
   
        cal.set(Calendar.HOUR_OF_DAY, hour);...