Copie o link abaixo e adicione na sua agenda Google.
https://calendar.google.com/calendar/ical/o58up2j6obj6pqhmifbum5dqe4%40group.calendar.google.com/public/basic.ics
https://calendar.google.com/calendar/ical/o58up2j6obj6pqhmifbum5dqe4%40group.calendar.google.com/public/basic.ics