Last Updated
：2025/11/21
Earth Day
Proper noun
North-American
US
obsolete
Japanese Meaning
アースデイ：北米諸国では、1970年に制定され、地球保護の必要性を認識するための国際的記念日で、主に4月22日に実施される。（また、アメリカでは旧来の意味として3月21日とされる場合もある）
Quizzes for review
(North American countries) April 22; Created in 1970, global day of observance of the need to protect the earth. / (obsolete, US) March 21st.
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Earth Day
On Earth Day, volunteers planted trees along the riverbank.
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On Earth Day, volunteers planted trees along the riverbank.
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