Earth Hour instance of recurring event
2016
Earth Hour 2016 was on Saturday, March 19, from 8:30 p.m. to 9:30 p.m. during participants' local time. It was also changed to avoid coinciding with the Christian Holy Saturday, which fell on March 26 of that year. It was the 10th anniversary of the campaign's beginnings in Sydney, Australia. Östersund in Sweden cancelled the 2016 event, following a spate of sex attacks, highlighting safety as a subject for discussion when saving resources. Almost all the countries in the world observed Earth Hour.2017
Earth Hour occurred on Saturday, March 25 from 8:30 pm to 9:30 pm.2018
Earth Hour 2018 took place on March 24, from 8:30 p.m. to 9:30 p.m. in participants' time, in order to avoid coinciding with Christian Holy Saturday which fell on March 31.2019
Earth Hour 2019 was held on March 30, from 8:30 p.m. to 9:30 pm. A total of 188 countries participated in Earth Hour 2019. Miss Earth 2018 Nguyễn Phương Khánh from Vietnam was designated as the Earth Hour Ambassador to implement several environmental protection activities. As ambassador, Phuong Khanh urged everyone to voluntarily turn off unnecessary lights and equipment for an hour, contributing to spreading the message "Save Energy, Save Earth – Energy saving, Earth protection".
type of example of manifestation of representation of