International Day for the Preservation of the Ozone Layer 2402

Monday, 16 September 2402

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 2402?
International Day for the Preservation of the Ozone Layer 2402 is on Monday, 16 September 2402.
What day of the week is International Day for the Preservation of the Ozone Layer 2402?
It falls on Monday.
How is International Day for the Preservation of the Ozone Layer calculated?
This event is observed every year on 16 September.