With WBS Gantt-Chart, holidays and non-working days are taken into account when creating/modifying plans. Follow these steps to configure non-working days.
WBS Gantt-Chart ⇒ Choose Gantt Configure.
Click Edit of Calendar.
Edit holiday calendar settings:
...
If there are no regular holidays, check Irregular holidays;
...
Choose using shared calendar or Gantt individual settings calendar
Check the non-working days in Regular holiday
Choose Week Number style (US or ISO-8061)
For individual holidays, enter
...
them to the Holiday list
Click Update.
You’ve now completed the basic configuration. Next, let’s try managing a project.
...