The program of the LibreOffice Conference 2015 has been published on the conference website at the address: http://conference.libreoffice.org/2015/the-program/. There is a separate page for each day of the event, including the community day (which is happening, as usual, the day before the conference).
Tuesday, September 22: http://conference.libreoffice.org/2015/the-program/sept-22th-community-day/.
Wednesday, September 23 (opening sessions + tracks): http://conference.libreoffice.org/2015/the-program/sept-23th-wednesday/.
Thursday, September 24 (tracks): http://conference.libreoffice.org/2015/the-program/sept-24th-thursday/.
Friday, September 25 (tracks + closing session): http://conference.libreoffice.org/2015/the-program/sept-25th-friday/.
On Tuesday, Wednesday and Thursday evenings there will be events involving all participants: dinners in local restaurants, plus a party and a hacknight at the Aarhus University. Check the program and register for the events (registration is mandatory, to help organizers with numbers) on this page: http://conference.libreoffice.org/2015/events/.