Prompted by a user from Milan, I've just released Time Zone support for Cognitius.
You can set your Time Zone (and any other account info) by clicking on your user name at the top of the page.
This is used to determine the current date - the system time must be converted to local time. Cognitius uses the current date:
* First to highlight the current day, in the planning grid
* Second as part of the prediction algorithm for lesson printouts. Cognitius tries to know whether you are printing out today's lessons or tomorrows. It first tries today's lessons, and if all lessons are complete, it assumes you are printing out tomorrow's lessons. This is intended to prevent you from having to enter a date every time you print your lessons.
See you on http://cogniti.us
jeff