On October 9, 2006 at 6:00 a.m., the network switched to a 24-hour schedule, becoming one of the last major English-language broadcasters to transition to such a schedule. Most CBC-owned stations previously signed off the air during the early morning hours (typically from 1:00 a.m. to 6:00 a.m.). Instead of the infomercials aired by most private stations, or a simulcast of CBC News Network in the style of BBC One's nightly simulcast of BBC News Channel, the CBC uses the time to air repeats, including <answer>local news, primetime series, movies and other programming from the CBC library</answer>. Its French counterpart, Ici Radio-Canada Télé, still signs off every night.
What does CBC use unallotted airtime for?
local news, primetime series, movies and other programming from the CBC library