Another way to alter the workweek significantly is to reduce it to 4 days. This usually involves 4 days at 10 hours a day (a 40-hour week) or 4 day at 9 hours a day (a 36-hour week with no reduction in pay ) union in leaders, management consultants, and Many companies that have tried the 4 day work Week are enthusiastic about it. Typically, initiatives to shorten the workweek came not from to employees