Hello, Шон. Easy-peasy. The day before yesterday...Позавчера Three days ago...Три дня назад Five days from now....Через пять дней The day after tomorrow....Послезавтра For the day before the day before yesterday you can also use 'Позапозавчера' and so on.

Although Google can be hit or miss, these phrases all make sense and are something that a native English speaker would say. Here are some alternatives if you are looking for another way to say these ideas. The day before yesterday... - Two days ago... Three days ago... - (this is the best way to express this idea) Five days from now. - ...in five days The day after tomorrow. - Two days from now... Hope this helps! -Weston