"Wanneer is het vakantie?"

Translation: When are the holidays?

[ueueueueue]

In this sentence, is "het" functioning as "it" rather than the"? Because "vakantie" is a "de" word. I mean, does "Wanneer is het vakantie" mean something like "When is it holidays"?

[Lavinae]

Yep. Your analysis is correct. :)

[ueueueueue]

Cool, thanks!

[FreekVerkerk]

My answer was: "When is IT vacation" which was considered wrong by Duolingo. I reported it. Another possible translation could be: "when is it vacation time".