You searched for " Earth hour".
| Title | City | Countries | Start Date |
|---|---|---|---|
| Lights off Stars on! | Antananarivo | Madagascar | March 30, 2019 |
| Shandong University Tribranch Joint Event for Dark Sky Protection and Astronomical Popularzation | Weihai | China | March 30, 2019 |
| EarthHour 2019 | Cork | Ireland | March 30, 2019 |