http://www.news.va/en/news/sede-vacante-1st-meeting-of-general-congregation-a

The first meeting of the General Congregation of the College of Cardinals has been set on Monday, 4 March 2013 to discuss the conclave, especially deciding the exact start date of the conclave. Most Cardinals are expected to attend this first meeting as many of them are already in Rome by the end of Pope Benedict XVI’s pontificate on 28 February 2013.

There will be two meetings planned on Monday :

1st Meeting (Morning) : Monday, 4 March 2013 at 9.00 am CET/UTC+1 in the New Synod Hall

2nd Meeting (Afternoon) : Monday, 4 March 2013 at 5.00 pm CET/UTC+1 in the New Synod Hall