You can manage multiple calendars using automated workflows with Zapier, eliminating the need for manual data transfer between apps like Eventbrite and Google Calendar. With a simple setup process, you can create Zaps that automatically add new Eventbrite events to your chosen Google Calendar, keeping all your calendars in sync without adding extra time to your day. This integration enables users to focus on what matters by automating workflows, making it easy to manage events and appointments efficiently.