Question

What is Earth Hour? and when it is held?​

Answer 1

Earth Hour, organized by WWF, is a global grassroots movement uniting people to take action on environmental issues and protect the planet. ... As the movement grows, the one-hour lights out event continues to be the symbol of a broader commitment toward nature and our planet.

Earth Hour 2021 will be at 8:30 pm - 9:30 pm onSaturday, 27 MarchAll times are in India Standard Time.

Hope it helps u

Answer 2

While WWF projects and individual actions under the Earth Hour movement continue throughout the year, the annual Earth Hour lights out event is held worldwide toward the end of March to encourage individuals, households, communities and businesses to turn off their non-essential lights for one hour.

on 27 March