Calendar for NC cydia tweak displays multiple days/events from your calendar in Notification Center All view, fully customizable to your preferences. It is possible to set the number of days ahead to display, as well as the maximum number of events. You can change the text color, size and notification icon, show or hide the event location and the separator lines between the events.
Swiping right on an event will open it either in Calendar app, or in an app you choose.
After installation, add the widget to the Notification Center in Settings/Notification Center. The Settings are available in Settings/Calendar for NC.
Free for Calendar for Lockscreen users! Also, purchasing this package gives you Calendar for Lockscreen for free (needs to be downloaded separately).