 repeating date options dates will match any selection within the same box january or june when more than one box has criteria selected all of them are combined to create repeats january or june and day 1 or day 15 positive numbers count from the beginning of the period negative numbers count from the end of the period ie 1 is the last 2 is the next to last etc if you select every year above and march from month and 1 and 15 from day of month in the advanced options you will be selecting the 1st and 15th days of march of every year if you select every other month above and second tuesday in the advanced options you will be selecting the second tuesday of every other month if you select every year above and second tuesday in the advanced options you will be selecting the second tuesday of every year if you select every month above and january and june and first saturday in the advanced options you will be selecting the first saturday in january or june if you select every month above and 1 from day of month in the advanced options you will be selecting the last day of every month  