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World Cities Day

Next on Sunday, 31 October 2027

Enjoy the holiday!

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About World Cities Day

World Cities Day is a global observance designated by the United Nations to promote international interest in global urbanization. It encourages cooperation among nations to meet opportunities and address challenges of sustainable urban development. It is observed annually in the United States and worldwide through educational events and policy discussions.

landscape photography of high-rise buildings
Photo by JC Gellidon on UnsplashUpdated 24 Oct 2026

When is World Cities Day in USA?

World Cities Day dates from 2023 to 2031

  • 2023Tuesday, 31 OctoberPast
  • 2024Thursday, 31 OctoberPast
  • 2025Friday, 31 OctoberPast
  • 2026Saturday, 31 OctoberPast
  • 2027Sunday, 31 October in 352 days
  • 2028Tuesday, 31 Octoberin 718 days
  • 2029Wednesday, 31 Octoberin 1083 days
  • 2030Thursday, 31 Octoberin 1448 days
  • 2031Friday, 31 Octoberin 1813 days

October 2027

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See the full USA calendar β†’

Add a World Cities Day countdown to your website

Free widget that counts down to the next World Cities Day and moves to the following date every year.

<iframe src="https://11holidays.com/embed/countdown?holiday=us%2Fworld-cities-day&theme=festive" width="100%" height="230" style="border:0;border-radius:12px;max-width:100%" loading="lazy" title="Countdown"></iframe>

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