From http://www.ibm.com/developerworks/jp/java/library/j-jodatime.html
リスト 7. 11月最初の月曜日の翌日となる最初の火曜日を計算する
LocalDate now = SystemFactory.getClock().getLocalDate();
LocalDate electionDate = now.monthOfYear()
.setCopy(11) // November
.dayOfMonth() // Access Day Of Month Property
.withMinimumValue() // Get its minimum value
.plusDays(6) // Add 6 days
.dayOfWeek() // Access Day Of Week Property
.setCopy("Monday") // Set to Monday (it will round down)
.plusDays(1); // Gives us Tuesday