International Day for the Preservation of the Ozone Layer 2418

Sunday, 16 September 2418

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 2418?: International Day for the Preservation of the Ozone Layer 2418 is on Sunday, 16 September 2418.
What day of the week is International Day for the Preservation of the Ozone Layer 2418?: It falls on Sunday.
How is International Day for the Preservation of the Ozone Layer calculated?: This event is observed every year on 16 September.