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1. Go to your settings, Calendars menu

2. Click on the "+" next to my calendars

   

3. Click on "Add an external calendar".
   

   

4. In the "Link to calendar" field, paste this link and click on "Add this calendar
   https://calendar.google.com/calendar/ical/nlen.be.official%23holiday%40group.v.calendar.google.com/public/basic.ics

5. Then complete the following

   1. the name of the calendar

   2. the color

   3. check the "Prevent overlapping appointments" box so that your availability is blocked on public holidays.

   4. the calendar permissions if you wish (For more information, see the article How to manage my calendar permissions )
      

      

6. Click on confirm

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