In order to use DuxCal, you’ll need to share the freebusy status of your calendar.  It’s easy to do, should take less than one minute, and only involves a couple clicks.  I’ve outlined the steps in the screenshots below.

  1. Click the grid icon to bring up the list of google apps
  2. Click on “Calendar”
  3. Click the gear icon
  4. Click “Settings”
  5. Click “Calendars”
  6. Click “Share this calendar”
  7. Click “Make this calendar public”
  8. Click “Share only my free/busy information” (Hide details)
  9. Save!

Note: Google business accounts will have a slightly different last screen.  Both the personal and business account screens are shown below.

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