Christmas Posting Dates 2025 Australia Post. See below the summary of the last posting dates before christmas for each royal mail service. — you have until 5pm to get your parcel in the mail if you're sending it via normal delivery services and want them to arrive in time, with australia post extending.
Here are the suggested last posting dates for christmas 2025 so that you can make sure that all your letters, cards and presents get to their destination in time for christmas. To ensure your parcels arrive in time for christmas, book by 20th december for collection on 21st december.