May 19*	Thursday-2: Last (-2) Thursday
May 19*	Thu-2: Last (-2) Thursday
May 19*	Thursday+3: Third Thursday
May 19*	Thu+3: Third Thursday
May 19*	Thursday+3: Third Thursday in May
May 19*	Thu+3: Third Thursday in May
May 19*	Third: Third Thursday 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*	Thursday: Every Thursday
May 20*	Friday-2: Last (-2) Friday
May 20*	Fri-2: Last (-2) Friday
May 20*	Friday+3: Third Friday
May 20*	Fri+3: Third Friday
May 20*	Friday+3: Third Friday in May
May 20*	Fri+3: Third Friday in May
May 20*	Third: Third Friday in May
May 20*	20 of every month
May 20 	5/20: May 20
May 20 	May. 20: May 20
May 20 	20 May: May 20
	May: continued
May 20*	Friday: Every Friday