Posted in Article Four-day working week pilot launches in UK with 100-80-100 model: Full pay and productivity but 80 per cent of the time 2022-01-29 Leave a Comment on Four-day working week pilot launches in UK with 100-80-100 model: Full pay and productivity but 80 per cent of the time A four-day working week six-month pilot programme has been launched today in the UK. Participating companies and organisations will trial a four-day week Source: Four-day working week pilot launches in UK with 100-80-100 model: Full pay and productivity but 80 per cent of the time Here’ the 4 Day Week Global website.