Meaning of Thirtieth
Adjective / বিশেষণ / विशेषण
next after the twenty-ninth; being the ordinal number for 30.
being one of 30 equal parts.
a thirtieth part, especially of one (1/30).
the thirtieth member of a series.
(usually prenominal) being the ordinal number of thirty in counting order, position, time, etc: often written 30th (as noun): the thirtieth of the month