I dispute with my friends

Here is itinerary for next month's trip:
03-11-02 Depart Shanghai
04-11-02 Arrive Beijing
16-11-02 Depart Beijing
17-11-02 Arrive Mongolia
20-11-02 Depart Mongolia
22-11-02 Arrive Irkutsk
26-11-02 Depart Irkutsk
29-11-02 Arrive Moscow
03-12-02 Depart Moscow
04-12-02 Arrive Shanghai
Those of you on my postcard list had better prepare your postmen.