public static class ByDay.ByDayPair
Contains both the day of the week and an optional positive or negative integer (ordinal).
If the integer is present it represents the nth occurrence of a specific day within the
MONTHLY or YEARLY frequency rules. For example, with a MONTHLY rule 1MO indicates the
first Monday of the month.
If ordinal is 0 then all the matching days are included within the specified frequency rule.
Constructor and Description