Calendar import Login as an admin Go to Calendar Click Manage subscriptions Enter a calendar name (e.g. Jun's awesome public calendar) Enter the https://calendar.google.com/calendar/ical/moodle.com_gverd91agb5htmi8ervnn6q2j0%40group.calendar.google.com/public/basic.ics into the Calendar URL. Click Add. Confirm that you can successfully import the calendar. Cron Manually edit the entry of the imported calendar in the "{event_subscriptions}" table. Set the value for the " pollinterval " column to 1. Open a terminal and go to your moodle root directory. Run php admin/tool/task/cli/schedule_task.php --execute=\\core\\task\\calendar_cron_task Confirm that the cron task successfully completes. (You might get " ++ Error: mdb->get_record() found more than one record! ++ " messages, but ignore those. They will be fixed on a separate issue) Unit test Ensure vendor/bin/phpunit lib/tests/calendar_cron_task_test.php passes.