translate English to French: The sessions (of GRB) scheduled "p.m./p.m.  " will begin in the afternoon, at 14.30 h on the indicated date and are expected to last until 17.30 h on the indicated date.
La mention «p.m./p.m.» signifie que les sessions (du GRB) commenceront le premier jour à 14 h 30 et se termineront le dernier jour à 17 h 30.