The last recommend posting dates set by Royal Mail for Christmas are:
| United Kingdom | Tue 20th December: First Class & Recorded Signed For. Thu 22nd December: Special Delivery. Fri 23rd December: Special Delivery with saturday guarantee. |
| International Surface Mail | Fri 30th September Non-European destinations except Middle East, South Africa, Far East, USA & Canada. Tue 4th October Middle and Far East (Except Hong Kong & Singapore). Tue 18th October South Africa, Hong Kong, Singapore, The USA & Canada. Tue 8th November Eastern Europe, Greece, Cyprus, Turkey, Malta & Iceland. Tue 22nd November Western Europe. |
| International Airmail | Mon 5th December South & Central America, Caribbean, Africa, Middle East, Asia, Far East (Including Japan), Austrailia & New Zealand. Fri 9th December Eastern Europe, USA & Canada. Mon 12th December Western Europe. |
| British Forces Post Office (BFPO) | Fri 2nd December Airmail to operational BFPOs Thu 15th December Airmail to static BFPOs |
