The eight-hour day was a social movement to regulate the length of a working day, preventing excesses and abuses of working time.
Eight-hour campaign in Denmark, 1912
Banner from the 1835 Philadelphia general strike promoting the ten-hour workday. In the lower right-hand corner is written the slogan 6 to 6. Also the worker points to the clock which shows six indicating it is time to stop working.
Artist impression of the bomb explosion in Haymarket Square
Eight-hour day march circa 1900, outside Parliament House in Spring Street, Melbourne
Working (laboring) time is the period of time that a person spends at paid labor. Unpaid labor such as personal housework or caring for children or pets is not considered part of the working week.
Eight-hour day banner, Melbourne, 1856.
1906 – strike for the 8 working hours per day in France.
Weekly working hours in US manufacturing (blue)
A "No More Karoshi" protest in Tokyo, 2018