Q3, or the third quarter, of the calendar year 2020 refers to the period from July 1, 2020, to September 30, 2020. This period includes the months of July, August, and September. Fiscal quarters like Q3 are standard three-month periods used by companies and organizations for financial reporting and planning. Q3 always represents the third quarter of the year, regardless of the specific year, and its dates follow the same July to September period on the calendar year. So specifically, Q3 2020 was from July 1, 2020, to September 30, 2020.