"January has thirty-one days."

Translation: Styczeń ma trzydzieści jeden dni.

[PuertoRico_7213]

How do you say "trzydzieści" correctly?

[gabe81]

The TTS got it correctly.

[mishemplushem]

What a big (and nasty))) surprise for a Russian bear... In Russian it would be trzydziesci jeden dzień (тридцать один ДЕНЬ), because the numerals that end in 1 agree with it. Totally unexpected.

[Jellei]

Well, but the whole number is plural, right? ;)