1May 18*	Thursday-2: Last (-2) Thursday
2May 18*	Thu-2: Last (-2) Thursday
3May 18*	Thursday+3: Third Thursday
4May 18*	Thu+3: Third Thursday
5May 18*	Thursday+3: Third Thursday in May
6May 18*	Thu+3: Third Thursday in May
7May 18*	Third: Third Thursday in May
8May 18*	18 of every month
9May 18 	5/18: May 18
10May 18 	May. 18: May 18
11May 18 	18 May: May 18
12	May: continued
13May 18*	Thursday: Every Thursday
14May 19*	Friday-2: Last (-2) Friday
15May 19*	Fri-2: Last (-2) Friday
16May 19*	Friday+3: Third Friday
17May 19*	Fri+3: Third Friday
18May 19*	Friday+3: Third Friday in May
19May 19*	Fri+3: Third Friday in May
20May 19*	Third: Third Friday in May
21May 19*	19 of every month
22May 19 	5/19: May 19
23May 19 	May. 19: May 19
24May 19 	19 May: May 19
25	May: continued
26May 19*	Friday: Every Friday
27