How long ago was Pluto's demotion to dwarf planet?

Pluto's demotion to dwarf planet was 20 years ago.

Pluto's demotion to dwarf planet happened on August 24, 2006. That's 20 years, 1 month and 3 days.

as of September 2026

Kids who learned nine planets are now adults.

Pluto's demotion to dwarf planet turns 25 on August 24, 2031.

If you were born before August 24, 2006, you're older than Pluto's demotion to dwarf planet.

Mind-bender: Pluto's demotion to dwarf planet is closer in time to the Game Boy's release (1989) than to today.

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