Wednesday, 16 September 2933
Marks the signing of the Montreal Protocol and promotes protection of the ozone layer.
Also known as
- World Ozone Day
Add to your calendar
Download an iCalendar file for International Day for the Preservation of the Ozone Layer and add it to your calendar app.
Add to calendarFrequently asked questions
- When is International Day for the Preservation of the Ozone Layer 2933?
- International Day for the Preservation of the Ozone Layer 2933 is on Wednesday, 16 September 2933.
- What day of the week is International Day for the Preservation of the Ozone Layer 2933?
- It falls on Wednesday.
- How is International Day for the Preservation of the Ozone Layer calculated?
- This event is observed every year on 16 September.