Organising Live Events, and other such activities, implies knowing when partners are available to meet. That's why a CET Weekly Lesson Plan of all the groups is absolutely essencial. Here is a picture and a link to google docs, in case one wants to change or update any of the data.
Link: https://docs.google.com/spreadsheets/d/1De7xtD8RtszHoaLhFIN-ZHg-qxS8tuL-Tpd2JvFFe8M/edit#gid=0