unsocial       
adjective UK uk/ʌnˈsəʊ.ʃəl/ us/ʌnˈsoʊ.ʃəl/
 非正常工作时间的;正常工作时间以外的
happening during the days of the week or hours of the day when most people do not have to work
  I don't want to work unsocial hours. 我不想在正常工作时间以外工作。 
 Compare: social adjective