May 20*	Saturday-2: Last (-2) Saturday
May 20*	Sat-2: Last (-2) Saturday
May 20*	Saturday+3: Third Saturday
May 20*	Sat+3: Third Saturday
May 20*	Saturday+3: Third Saturday in May
May 20*	Sat+3: Third Saturday in May
May 20*	Third: Third Saturday 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*	Saturday: Every Saturday
May 21*	Sunday-2: Last (-2) Sunday
May 21*	Sun-2: Last (-2) Sunday
May 21*	Sunday+3: Third Sunday
May 21*	Sun+3: Third Sunday
May 21*	Sunday+3: Third Sunday in May
May 21*	Sun+3: Third Sunday in May
May 21*	Third: Third Sunday in May
May 21*	21 of every month
May 21 	5/21: May 21
May 21 	May. 21: May 21
May 21 	21 May: May 21
	May: continued
May 21*	Sunday: Every Sunday