2 adjectives to describe fourteenths

Generations passed into centuriesthe fourteenth, fifteenth, sixteenth and seventeenth.

At the heads of the four principal streets there have been built preaching halls, where, on the eighth, fourteenth, and fifteenth days of the month, they spread carpets, and set forth a pulpit, while the monks and commonalty from all quarters come together to hear the Law.

2 adjectives to describe  fourteenths