The last posting day for Second Class is the 18th December 2019. For First Class items this is the 20th December 2019. If you are sending the item Special Delivery this is the 23rd December 2019.
In 2019, the last posting date for items sent to Canada is Saturday 14th December 2019. These are for items being sent international standard and items sent International Tracking and Signature Services.
The last day where an item can be guaranteed to be delivered by Christmas is Monday 23rd December 2019.
The last posting date for items sent 1st Class Signed for is the same as standard 1st class post, these items would need to be posted by Friday 20th December 2019.
The last posting date for mail items to be sent to Australia is Thursday 12th December 2019. This is to ensure items are received by Christmas.
The last day that you can post an item to ensure that an item of post is delivered by Christmas to the Carribbean is Monday 9th December 2019.