When is Earth Hour

Find out the date, when is Earth Hour 2018 and how many days until Earth Hour 2018 with a countdown clock.

Earth HourImage: Google Image

Earth Hour has always been observed annually on the last Saturday of March. And in 2018, Earth Hour is observed on Saturday, March 31, 2018.

Earth Hour 2018 Countdown

The Earth Hour Countdown Clock will show you the number of days, hours, minutes & seconds until the next Earth Hour.

When is Earth Hour?

  • Earth Hour 2017 is observed on Saturday, March 25, 2017
  • Earth Hour 2018 is observed on Saturday, March 31, 2018
  • Earth Hour 2019 is observed on Saturday, March 30, 2019
  • Earth Hour 2020 is observed on Saturday, March 28, 2020

Special Days in March

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