- This event has passed.
Earth Hour
March 26
When is Earth Hour celebrated in 2022?
Earth Hour is observed annually on the last Saturday of March.
Observations
| Weekday | Month | Day | Year |
| Saturday | March | 26 | 2022 |
| Saturday | March | 25 | 2023 |
| Saturday | March | 30 | 2024 |
| Saturday | March | 29 | 2025 |