Pluto Demoted Day 2018

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

Frequently asked questions

When is Pluto Demoted Day 2018?

Pluto Demoted Day 2018 is on Friday, 24 August 2018.

What day of the week is Pluto Demoted Day 2018?

It falls on Friday.

How is Pluto Demoted Day calculated?

This event is observed every year on 24 August.