Follow along with New Year's Eve celebrations here.
More than a million people are expected to gather in Sydney for the city's famous midnight firework display in a show of unity and defiance.
NSW Police have increased security measures to unprecedented levels at the event in light of the Bondi Beach massacre.
All eyes will be on the Sydney Harbour Bridge, which will be lit white with a menorah projected onto its pylons at 11pm to commemorate the victims.
NSW Premier Chris Minns encouraged Australians to enjoy the night.
'We want to make it clear that we are not going to be in a situation where the way we live in our beautiful city is substantially altered as a result of the behaviour of these terrorists,' he told reporters.
Thousands of armed officers have been deployed to metropolitan Sydney in a bid to bolster safety as Prime Minister Anthony Albanese encouraged everyone to show kindness.
'What Bondi also showed us was the best of the Australian spirit, in all its courage and compassion,' he said.
Police will also be out in force in Melbourne, with about 500,000 people expected to flock to the city for the fireworks and laser display at midnight.
Check out our coverage below.
Here's to a few bleary eyes in the morning