The article examines the diaries of Sergey Prokofiev dating from 1907 to 1933 by using textual analysis to elucidate the composer’s personal conception of time. The recurrent themes and motifs, in the diaries are analyzed by their frequency and traced out in relation to Prokofiev’s understanding of time. This explication of his concept of time proceeds in two stages. First, the way he kept a diary is used to study how he structured the flow of time (with respect to precision, regularity, facticity, continuity); and then the fundamental characteristics of time are derived from his temporal habits. Considering the conception of time here is justified both because the composer’s writing makes it clear that he accepted time as the basic context...