1Dec 18* Monday-2: Last (-2) Monday 2Dec 18* Mon-2: Last (-2) Monday 3Dec 18* Monday+3: Third Monday 4Dec 18* Mon+3: Third Monday 5Dec 18* Monday+3: Third Monday in December 6Dec 18* Mon+3: Third Monday in December 7Dec 18* Third: Third Monday in December 8Dec 18* 18 of every month 9Dec 18 12/18: December 18 10Dec 18 Dec. 18: December 18 11Dec 18 18 December: December 18 12 December: continued 13Dec 18* Monday: Every Monday 14Dec 19* Tuesday-2: Last (-2) Tuesday 15Dec 19* Tue-2: Last (-2) Tuesday 16Dec 19* Tuesday+3: Third Tuesday 17Dec 19* Tue+3: Third Tuesday 18Dec 19* Tuesday+3: Third Tuesday in December 19Dec 19* Tue+3: Third Tuesday in December 20Dec 19* Third: Third Tuesday in December 21Dec 19* 19 of every month 22Dec 19 12/19: December 19 23Dec 19 Dec. 19: December 19 24Dec 19 19 December: December 19 25 December: continued 26Dec 19* Tuesday: Every Tuesday 27