International Day for the Preservation of the Ozone Layer
Observances · UN international days · Tue, September 16, 2025
A United Nations international day.
Every year
| Date | Event | When |
|---|---|---|
| Sat, Sep 16, 2023 | International Day for the Preservation of the Ozone Layer | 3 yr ago |
| Mon, Sep 16, 2024 | International Day for the Preservation of the Ozone Layer | 2 yr ago |
| Tue, Sep 16, 2025 | International Day for the Preservation of the Ozone Layer | 12 mo ago |
| Wed, Sep 16, 2026 | International Day for the Preservation of the Ozone Layer | 8 days ago |
| Thu, Sep 16, 2027 | International Day for the Preservation of the Ozone Layer | in 12 mo |
| Sat, Sep 16, 2028 | International Day for the Preservation of the Ozone Layer | in 2 yr |
Also on Sep 16, 2025
| Date | Event | When |
|---|---|---|
| Tue, Sep 16, 2025 | FOMC meeting | 12 mo ago |
| Tue, Sep 16, 2025 | 50th anniversary: The prototype of the Soviet Mikoyan MiG-31, one of the fastest combat jets in... | 12 mo ago |
Source, method and history
- Source
- United Nations
- How we know
- Fixed date from the United Nations list of international days.
- Recurs
- annual
- Feed
- Subscribe to UN international days
- Changes
- None recorded.
Sources: official schedules and published calendars, linked on every event; computed dates name their rule. Refreshed nightly.