3rd quarter 2019 estimated taxes due Posted by calendarnews On December 20, 2018 at 3:07 pm | Comments Closed Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: September 16, 2019 all-day 2019-09-16T00:00:00-04:00 2019-09-17T00:00:00-04:00