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