It is also possible to set personal calendars for certain team members and resources in the Gantt chart maker. This will help in the calculation of task estimation and duration and in workload and costs management.
Click on the Profile settings in the bottom left corner and open the Team and resources section 1. Click on the corresponding user 2 and select Personal calendar in the User card 3.
As an example, you can note vacations or reduced hours established in the contract for a particular project member.