"Consensus New Year", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License
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The biggest jump is at 11:00am EST (4:00pm UTC) when midnight reaches the UTC+8 time zone. That time zone, which includes China, is home to a quarter of the world's population. India and Sri Lanka (UTC+5:30) put us over the 50% mark soon after.