The Upcoming/Classes tile is available from the Student Dashboard in Atlas. There are two tabs, Upcoming and My Classes.
This tab displays the upcoming 7 days' worth of items from the dashboard calendar and academic calendar.
The My Classes tab displays any classes for which you are currently registered, with links to the class website in Stellar or Canvas. Note: Classes from Residential MITx, and Moodle are not included. As of September 2020 classes from Canvas are included.