period, period of time, time period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"

hours - a period of time assigned for work; "they work long hours"

workweek, week - hours or days of work in a calendar week; "they worked a 40-hour week"

day - the recurring hours when you are not sleeping (especially those when you are working); "my day began early this morning"; "it was a busy day on the stock exchange"; "she called it a day and went to bed"

overtime - work done in addition to regular working hours

turnaround, turnaround time - time need to prepare a vessel or ship for a return trip