How many days until Earth Hour?

When is Earth Hour?

Earth Hour is observed next on Saturday, March 28th, 2026. It has been observed the last Saturday in March.

Dates

Saturday, March 29th, 2025

Saturday, March 28th, 2026

Saturday, March 27th, 2027

← days till Children's Picture Book Day?•••days till Eat an Edy's Pie Day? →

Also on Saturday, March 28th, 2026

Weed Appreciation Day

Weed Appreciation Day

Respect Your Cat Day

Respect Your Cat Day

National Something On a Stick Day

National Something On a Stick Day

→ See all events on Saturday, March 28th, 2026

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