Class representing a time zone rule onset day that can be specified as
a day of the week that occur "before", "onOrBefore", "after", "onOrAfter" a
given day of the month.
eg: Sunday on or after 8th of the month.
Below are examples in XML formats. All examples are shown with all inherited members. Quoting when required is part of the examples, but you must obviously populate with your own data.