Русско-англо-русский юридический словарь

Two routes will be improved to operate every 12 minutes, from 6 a.m. to 6 p.m. on weekdays: 20 and 26 (San Antonio Express-News)

Election day or polling day is the day on which general elections are held. In many countries, general elections are always held on a Saturday or Sunday, to enable as many voters as possible to participate; while in other countries elections are always held on a weekday. (Wikipedia)

There's only one show on weekdays at 7:30pm, and an additional show on weekends, eves of public holidays and public holidays at 8:30pm. (Mothership)