No matter the date as soon as it gets called Australia Day the usual suspects will be out protesting"Technically, January 26 does not mark the arrival of the First Fleet to Australia. Leaving England on May 13, 1787, the first ships arrived at Botany Bay on January 18, but Arthur Phillip decided it was not a suitable site. January 26 marks the day the British flag was hoisted at Sydney Cove."
Australia Day wasn’t always January 26, but it was always an issue
Australia Day has not always been celebrated on January 26, and the meaning of the date has been contested historically and today.theconversation.com
So before changing dates which no doubt will occur one day, we should ensure we don't choose a date that has further negative connotations, it needs to be a date that all Australians can celebrate.
The activists that were campaigning to change the date 5-10 years ago have already moved onto cancel the day