Countries around the world are celebrating the start of 2024 - follow the latest updates below.
Monday 1 January 2024 09:23, UK
Thank you for following our live coverage as cities around the world welcomed in the new year.
Thousands of people gathered in cities to watch spectacular firework displays and celebrate entering 2024.
You can scroll down to see how different countries marked the moment.
And you can watch London's firework display in full here.
Whether you're bleary-eyed this morning or fresh-faced from an early bedtime, here's a look at what's making the headlines to browse over your coffee:
Thousands gathered in Mexico City to celebrate the start of 2024, enjoying a fireworks display and street concert.
People flocked to Reforma Avenue and counted down to midnight on New Year's Eve.
2024 has officially begun in Las Vegas, with the US city celebrating with a bang.
Fireworks welcomed the New Year, with thousands of people gathering along the strip to watch the huge display.
The city said more than 400,000 people were expected at the celebration.
The famous ball has dropped in Times Square and the confetti is flying!
New York, New York by Frank Sinatra rings around the iconic landmark as people sing along and grab a kiss with their partner.
It's now 2024 in the eastern US and Canada, as well as the Caribbean and the rest of South America.
The New Year will now creep across the US over the next few hours - with 2024 finally arriving on the west coast in about three hours.
New York is about half an hour from midnight and people have been packed into Manhattan's Times Square for hours.
They've already been treated to performances by the likes of Megan Thee Stallion, LL Cool J and Tyla - and the big ball drop is still to come.
Rio de Janeiro's famous Copacabana beach has been packed as usual for the fireworks this evening.
Here's the moment the show began - launched from platforms in the sea.
It's now 1 January across most of South America, as well as the far eastern fringes of Canada.
While Asia, Africa and Europe are already in 2024, the big moment is still to come for a large chunk of the globe - including South America, North America and Canada.
Here's when some key cities celebrate (UK time):
Rio, Santiago and Buenos Aires - 3am
New York, Toronto, Washington, Bogota - 5am
Mexico City, Chicago, Houston - 6am
LA, Vancouver and San Francisco - 8am
Honolulu (Hawaii) - 10am
And spare a thought for some of the last inhabited places to ring in 2024 - such as American Samoa and the Midway Islands in the Pacific Ocean. They have to wait until 11am.
Uninhabited Baker Island and Howland Island are among the last places to see 2024, an hour later - at noon UK time.
