Fireworks light up the sky in Auckland on New Zealand's North Island.
It was one of the first major cities in the world to usher in the new year.
We still have several hours to go before the clock strikes midnight here in the UK, but some parts of the world have already ushered in the new year.
The Pacific island nation of Kiribati was the first to welcome in 2023 at 10:00 GMT, soon followed by New Zealand at 11:00 GMT.
At 13:00 we're expecting to see a spectacular display over Sydney Harbour as eastern Australia sees in 2023.
The small outlying islands of the US will be the last to see 2023. Baker Island and Howland Island, which are uninhabited, will enter 2023 on Sunday at 12:00 GMT.
We'll bring you to live updates as countries around the world start their celebrations, and keep your party poppers at hand.