Lectures and exercises/lab supervision times are available though TimeEdit.
Lectures (note different lecture rooms on different week days)
Exercise/Lab supervison
There are no group divisions for attending the exercise/lab supervision sessions. You choose the slot!
Google Calendar is also available with the schedule. This calendar will also contain lab deadlines and indicate which of the exercise/lab sessions are unsupervised. The calendar will be updated weekly with details about lab supervision, guest lectures and tutorials.