
Sydney's New Year's Eve fireworks show went ahead despite tens of thousands signing a petition imploring authorities to call it off because of Australia's deadly wildfires. Photo: Peter Parks/AFP via Getty Images
From New Zealand to New York City, crowds have gathered to ring in the new year and the start of a new decade.
The big picture: The Pacific island nations of Tonga, Samoa, and Kiribati were the first in the world to mark the arrival of 2020, when it was still 5 a.m. on New Year's Eve on the U.S. East Coast. Here's how events have been unfolding around the U.S. and the world, in photos.


















Editor's note: This article has been updated with more images and details of New Year's events around the world.