The move comes after positive results emerged from the four day week pilots in countries which included the United States, the United Kingdom, Ireland, Australia and New Zealand. The experiment in some cases was spurred by Covid-19 in the pandemic and an argument that longer hours don't always result in greater productivity. Of the 61 company that joined the british trial last year, considered to be one of the largest trials of its sort, 56 so far have extended the program, and 18 more have made a switch permanent