International Day for the Preservation of the Ozone Layer 2425

Tuesday, 16 September 2425

Marks the signing of the Montreal Protocol and promotes protection of the ozone layer.

Also known as

World Ozone Day

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Frequently asked questions

When is International Day for the Preservation of the Ozone Layer 2425?: International Day for the Preservation of the Ozone Layer 2425 is on Tuesday, 16 September 2425.
What day of the week is International Day for the Preservation of the Ozone Layer 2425?: It falls on Tuesday.
How is International Day for the Preservation of the Ozone Layer calculated?: This event is observed every year on 16 September.