Rusça "сегодня" kelimesi Türkçe'de bugün anlamına gelir.
Etimoloji
Inherited from Old East Slavic сего дьне (sego dĭne), from Proto-Slavic *se dьne / *sego dьne, from *sego, genitive of *sь (“this”) + *dьnь (“day”). Synchronically analyzable as a univerbation of сего́ (sevó) + дня́ (dnjá). Cognate with Belarusian сёння (sjónnja) and Ukrainian сього́дні (sʹohódni).