Android developers: is there a better way to get timezon?

public void run() {
       BckGround",Toast.LENGTH_LONG).show();
        Calendar c = Calendar.getInstance();
        Notification notification=new Notification();
      notification.sound=      Uri.parse(ContentResolver.SCHEME_ANDROID_RESOURCE+"://"+getPackageName()+"/row/a zan");
       // Toast.makeText(null, "start",Toast.LENGTH_LONG).show();
        int sec = c.get(Calendar.SECOND);
        int hours=  c.get(Calendar.HOUR_OF_DAY);
        int minites=c.get(MINUTE);

        int x,y,x2,y2,f,x3,y3,x4,x5,y4,y5;
        String Min,hou;
        x=19;y=1;
        x2=16;y2=1;
        x3=18;y3=1;
        x4=20;y4=1;
        x5=22;y5=1;
        f=0;
        //التاري
         int d,mo;
        d=18;
        mo=7;
        double Marroftime=720000;
        Calendar cn= Calendar.getInstance();
      int  day=cn.get(Calendar.DAY_OF_WEEK);
        int month=cn.get(Calendar.MONTH);
        while   (true) {

            c = Calendar.getInstance();
            hours = c.get(Calendar.HOUR_OF_DAY);
            minites = c.get(MINUTE);
            Min="M is: "+ minites;
            hou="H is: "+hours;

            if ((hours==x) && (minites==y)&&(f!=minites)){
                this.nb.setContentTitle("string");
                this.nb.setContentText("Another String");
                this.mn.notify(100, nb.build());
                f=minites;
                try {
                    Thread.sleep((long) Marroftime);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }


            }
          else  if ((hours==x2) && (minites==y2)&&(f!=minites)){
                this.nb.setContentTitle("time");
                this.nb.setContentText("now is time");
                this.mn.notify(100, nb.build());
                f=minites;
                try {
                    Thread.sleep((long) Marroftime);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
          else  if ((hours==x3) && (minites==y3)&&(f!=minites)){
                this.nb.setContentTitle("now ");
                this.nb.setContentText("now is time");
                this.mn.notify(100, nb.build());
                f=minites;
                try {
                    Thread.sleep((long) Marroftime);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
         else   if ((hours==x4) && (minites==y4)&&(f!=minites)){
                this.nb.setContentTitle("String");
                this.nb.setContentText("String");
                this.mn.notify(100, nb.build());
                f=minites;
                try {
                    Thread.sleep((long) Marroftime);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
         else   if ((hours==x5) && (minites==y5)&&(f!=minites)){
                this.nb.setContentTitle("String");
                this.nb.setContentText("String NEw");
                this.mn.notify(100, nb.build());
                f=minites;
                try {
                    Thread.sleep((long) Marroftime);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }

        }
    }


}