Christmas Posting Dates 2025 Australia. Australia post's suggested final mailing dates for christmas 2025 updated on monday, october 14, 2025 as the festive season approaches, it’s essential for merchants to plan ahead to. All australia post locations will be closed with no deliveries on this day.

These dates are for parcel post items being sent to, or from metro locations, but if you’re needing to send. Last posting dates 2025 get your cards, gifts and greetings there in time for christmas.