1Sep 18* Sunday-2: Last (-2) Sunday 2Sep 18* Sun-2: Last (-2) Sunday 3Sep 18* Sunday+3: Third Sunday 4Sep 18* Sun+3: Third Sunday 5Sep 18* Sunday+3: Third Sunday in September 6Sep 18* Sun+3: Third Sunday in September 7Sep 18* Third: Third Sunday in September 8Sep 18* 18 of every month 9Sep 18* Sunday: Every Sunday 10Sep 19* Monday-2: Last (-2) Monday 11Sep 19* Mon-2: Last (-2) Monday 12Sep 19* Monday+3: Third Monday 13Sep 19* Mon+3: Third Monday 14Sep 19* Monday+3: Third Monday in September 15Sep 19* Mon+3: Third Monday in September 16Sep 19* Third: Third Monday in September 17Sep 19* 19 of every month 18Sep 19* Monday: Every Monday 19