May 18*	Thursday-2: Last (-2) Thursday
May 18*	Thu-2: Last (-2) Thursday
May 18*	Thursday+3: Third Thursday
May 18*	Thu+3: Third Thursday
May 18*	Thursday+3: Third Thursday in May
May 18*	Thu+3: Third Thursday in May
May 18*	Third: Third Thursday in May
May 18*	18 of every month
May 18 	5/18: May 18
May 18 	May. 18: May 18
May 18 	18 May: May 18
	May: continued
May 18*	Thursday: Every Thursday
May 19*	Friday-2: Last (-2) Friday
May 19*	Fri-2: Last (-2) Friday
May 19*	Friday+3: Third Friday
May 19*	Fri+3: Third Friday
May 19*	Friday+3: Third Friday in May
May 19*	Fri+3: Third Friday in May
May 19*	Third: Third Friday in May
May 19*	19 of every month
May 19 	5/19: May 19
May 19 	May. 19: May 19
May 19 	19 May: May 19
	May: continued
May 19*	Friday: Every Friday