BBC Four is a British free-to-air public broadcast television channel owned and operated by the BBC. It was launched on 2 March 2002 and shows a wide variety of programmes including arts, documentaries, music, international film and drama, and current affairs. It is required by its licence to air at least 100 hours of new arts and music programmes, 110 hours of new factual programmes, and to premiere twenty foreign films each year. The channel broadcasts daily from 7:00 pm to 4:00 am, timesharing with CBeebies (which starts at 6:00 am).