New temporal demands are changing the working environment: due to internet sales, global trade and the variously motivated demand for extended opening hours, employees increasingly have to work at the weekend in Germany as well. Thus, below the findings of the BIBB/BAuA Employment Survey 2012 on the subject of weekend working are reported. In addition to the extent of weekend work, information is also provided on the groups that are affected by this trend. Further the significance of weekend work for total weekly working hours, health and social integration is outlined.