The readers should understand that Solomon probably commanded other people to do the actual work. AT: "Then Solomon's workers began to build ... They prepared ... They began ... that Solomon's workers laid" (See: [[rc://en/ta/man/translate/figs-metonymy]])
This is the second month of the Hebrew calendar. The second day is near the middle of April on Western calendars. (See: [[rc://en/ta/man/translate/translate-hebrewmonths]] and [[rc://en/ta/man/translate/translate-ordinal]])