You can see the 'Last Analytics access' for users as follows:
Analytics > Admin > Analytics Users & Assets
The screen displays information such as User ID, Name, Email, Date Created, Last Analytics access and Expiration.
You can filter for a specific user as well by entering the name or email address.
Alternatively, you can also access the above mentioned screen with the steps below:
Analytics > Admin > User Management (Legacy) > Users
Hope this helps!
You can log in to experience cloud
Go to the Admin tool then click on the user name to see the last login date, I just verified and able to see the last login date.
You can also refer below link