Working calendars affect various points of Gantt charts such as,

  • Durations don’t include nonworking days.

  • Gantt charts skip nonworking days when setting start dates.

How to configure the working calendar

  1. Go to edit mode of the Gantt chart.

  2. Open the configuration panel.

  3. Switch tab to calendar.

  4. Edit working days and extra holidays.

  5. Close the configuration panel by clicking the update button.

Relation between working days and duration units

Please note working days affects the meaning of duration units.

The table below shows the number of days per 1 duration unit in each case of the number of working days. Please note extra holidays do NOT affect the meaning of the duration units.

Number of working days

7days

6days

5days

4days

3days

2days

1day

1 Week equals

7days

6days

5days

4days

3days

2days

1day

1 Month equals

30days

25days

20days

16days

12days

8days

4days

1 Quarter equals the number of days in 3 months. And 1 Year equals the number of days in 12 months.

Example

Your Gantt chart has 5 working days as Monday, Tuesday, Wednesday, Thursday, and Friday like the image below.

Under this case,

  • 1 week equals 5 days.

  • 1 month equals 20 days.

  • 1 quarter equals 60 days (20days * 3 months).

  • 1 year equals 240 days (20days * 12 months).