Since Solomon refers to some of the building projects he had undertaken, he must have written Ecclesiastes after their completion and before his deflection from true worship.
Kuna Saalomon osutab mõningaile oma ehitusprojektidele, kirjutas ta Koguja raamatu ilmselt pärast nende valmimist ja enne, kui ta õigest jumalakummardamisest kõrvale kaldus.