до субботы

until Saturday; by Saturday

→ до
phrase Rare #47,293
until Saturday; by Saturday The exact meaning depends on context: it can mean up to and including Saturday or no later than Saturday.
RU: Я работаю до субботы.
EN: I’m working until Saturday.

До субботы!

See you on Saturday!

Нам не закончить этого до субботы, даже если всё пойдет хорошо.

We won't finish this by Saturday, even if everything goes well.

Я должен вернуть книгу до субботы.

I have to return the book by Saturday.