EARTH HOUR 2026

mesm Tokyo, Autograph Collection will participate in Earth Hour 2026, one of the world's largest environmental movements launched in 2007, by turning off or dimming lights in some hotel buildings on Saturday, March 28, 2026, from 8:30 p.m. (20:30) to 9:30 p.m. (21:30).

The hotel will provide a space to raise awareness about the global environment and invite guests to think about the future of the planet during this one-hour event.

■Date
Mar 28 2026

■Time
20:30 – 21:30

■Turning off the light

・Lights illuminating the exterior of the hotel

・Illumination in front of the hotel entrance

・Entrance signage

・TokyoWaves signage on the 16th floor

■Dimming lights

・First floor welcome art, City of Light

・Elevator hall

・16th floor lobby area

【About the EARTH HOUR】

EARTH HOUR is moment of unity that brings the world together, shines a spotlight on nature loss and the climate crisis, and inspires millions more to act and advocate for urgent change.

Last year, over 410,000 hours were given to our planet by supporters in over 190 countries and territories.

EARTH HOUR 2026