Pluto Demoted Day 2025

Pluto Demoted Day marks the decision that classified Pluto as a dwarf planet.

Frequently asked questions

When is Pluto Demoted Day 2025?

Pluto Demoted Day 2025 is on Sunday, 24 August 2025.

What day of the week is Pluto Demoted Day 2025?

It falls on Sunday.

How is Pluto Demoted Day calculated?

This event is observed every year on 24 August.