Occurs annually on the Last Saturday of March. In 2022, this is March 26th.

Frequency:
Last Sat
in Mar
Dates:
2016Mar 19Sat
2017Mar 25Sat
2018Mar 24Sat
Inception Year:
2007
Hashtags:
References:
earthhour.org
facebook.com/earthhour
instagram.com/earthhourofficial/

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