Russian · Numbers & Time
chas
Hour
A unit of time equal to 60 minutes.
Я жду уже час.
I have been waiting for an hour already.
'Час' (chas) originates from the Proto-Slavic *časъ, which has roots in the ancient concept of dividing the day. The term has remained consistent throughout Slavic languages.
'Час' is frequently used in both spoken and written language, appropriate in formal and informal settings, often in contexts involving timekeeping.