World Cities Day 2025

World Cities Day promotes interest in urbanisation, international cooperation and sustainable urban development.

Frequently asked questions

When is World Cities Day 2025?

World Cities Day 2025 is on Friday, 31 October 2025.

What day of the week is World Cities Day 2025?

It falls on Friday.

How is World Cities Day calculated?

This event is observed every year on 31 October.