1. Calendar Views in Lightning ExperienceYour calendar displays all events that you own in Salesforce on the My Events Calendar. Calendars that you create from a Salesforce object display data in date fields as calendar items. View, create, and edit your events in a day, week, or month view. You can also see any calendars shared by colleagues that you’ve added to your view.
2. Calendar Views in Salesforce ClassicCalendar views display your own calendar and coworkers’ calendars along with list views of open tasks. On the Home tab, the Calendar section shows upcoming events, a date picker for the month, and links to other calendar and activity views. You can share your calendar with coworkers and print calendars and task lists.