msDelay = Long.parseLong(args.get(2)) - System.currentTimeMillis();

               //inside a listener
               new java.util.Timer().schedule(
                        new java.util.TimerTask() {
                            @Override
                            public void run() {
                                mySyncMethod();

                            }
                        },
                        msDelay
                );

void schedule(TimerTask task, Date time)
      Schedules the specified task for execution at the specified time.

void schedule(TimerTask task, long delay)
      Schedules the specified task for execution after the specified delay.

long millis = 123456780000;
Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(millis);
Date date = calendar.getTime();