The manuscript was written in 1299, 1305, 1311 or 1316: "Andronicus II Palaeologus and his son Michael IX were co-rulers from 1294 to1320. Within that period, 29 August fell on a Saturday in 1299, 1305, 1311, and 1316." (Bates & al. (2022: 7, n. 15)).