Formal:
* До завтра (Do zavtra): This is the most common and neutral way to say "until tomorrow."
* До следующего дня (Do sleduyushchego dnya): This is slightly more formal and translates to "until the next day."
Informal:
* Завтра (Zavtra): This is the simplest and most informal way to say "until tomorrow." You can use it with friends and family.
* До встречи завтра (Do vstrechi zavtra): This means "see you tomorrow" and is a more friendly and casual way to say "until tomorrow."
Other options:
* До понедельника (Do ponedel'nika): This means "until Monday" and is used if you are specifically talking about seeing someone on Monday.
* До скорой встречи (Do skoroy vstrechi): This translates to "until soon" and can be used if you are unsure of the exact day you will see the person again.
The best way to choose the appropriate phrase depends on the situation and your relationship with the person you are talking to.