CzechCourse

thirtieth
Very common
Numeral
Subclassordinal

Adjective-like declension

CaseMasculine animateMasculine inanimateFeminineNeuter
Singular
1. Nominative
2. Genitive
3. Dative
4. Accusative
5. Vocative
6. Locative
7. Instrumental
Plural
1. Nominative
2. Genitive
3. Dative
4. Accusative
5. Vocative
6. Locative
7. Instrumental

Examples

Today is the thirtieth of April.
I am reading the thirtieth page.
I live in the thirtieth house.
She is thirtieth in line.
The thirtieth guest arrived.