Come midnight on New Year's Eve, New Zealanders and Australians will be among the first to light up the skies with celebratory fireworks. The rest of the world will then follow, city by city as the countdown signifies the beginning of 2015.
The international celebrations continue for hours, from the Sydney Opera House to Times Square in New York. While the whole world commemorates the same new year, every location is different in how they choose to party.
Take a trip around the world to see what New Year's Eve looks like in other cities.
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BONUS: 7 facts about the Times Square New Year's Eve ball