Solomon would have commanded his workers to do the building. AT: "Solomon commanded his workers to begin building" (See: [[rc://en/ta/man/translate/figs-metonymy]])
"Ziv" is the name of the second month of the Hebrew calendar. It is during the last part of April and the first part of May on Western calendars. (See: [[rc://en/ta/man/translate/translate-hebrewmonths]] and [[rc://en/ta/man/translate/translate-ordinal]] and [[rc://en/ta/man/translate/translate-names]])