Manage Work Calendars
Click the gear button in the upper right corner to open the configuration menu.
Click Work Calendars in the configuration menu to manage your work schedules for different teams.
Go to Add New Calendar and create a new setting or edit, copy and delete existing ones.
After clicking the Add New Calendar button, you can choose:
the amount of working days per week;
the amount of working hours per day;
every day breaks;
the days when your team is on holidays;
Also, you can add a name to each calendar.
The time, that has been spent on issue in each status will be calculated according to the specific calendar you choose.