Australia's dates for Queen memorials

* A Victorian proclamation ceremony will be held at 11am, with the lieutenant-governor, chief justice and other senior officer holders to swear oaths to the new King.

TUESDAY

* The NSW and WA parliaments will briefly convene to hear condolence motions. Parliamentary sittings in both states are due to resume on September 20.

* The Victorian parliament will sit briefly for MPs to swear allegiance to King Charles III - the only state where this is required after the death of a monarch - before adjourning to September 20.

THURSDAY

* The prime minister and governor-general are due to leave for the UK to attend the Queen as she lies in state and meet the King.

THE DAYS AHEAD

* Live sites are expected to be set up in parts of the country to watch the televised ceremony of the Queen's funeral at Westminster Abbey on September 19 at 8pm AEST.

* A one-off national public holiday will be held on September 22 to give Australians a chance to pay tribute to the Queen on a national day of mourning.

* A national memorial service will be held on September 22 in the Great Hall at Parliament House and broadcast across the country.

* While there is no official mourning period in Australia, the prime minister has suspended parliament for at least 15 days.

* The Queensland state parliament, which was due to sit this week, will be adjourned until a later date.

* Australian flags will be flown at half-mast until the day after the Queen's funeral in the UK.

* Federal, state and territory governments have set up condolence books across the country. People can also sign online condolence books on the Department of the Prime Minister and Cabinet and governor-general's websites.

Australian Associated Press