Broadcast programming or scheduling is the practice of organizing television shows or radio

Radio

Radio is the transmission of signals through free space by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space...

 programs in a daily, weekly, or season-long schedule. Modern broadcasters use broadcast automation

Broadcast automation

Broadcast automation incorporates the use of broadcast programming technology to automate broadcasting operations. Used either at a broadcast network, radio station or a television station, it can run a facility in the absence of a human operator...

 to regularly change the scheduling of their programs to build an audience for a new show, retain that audience, or compete with other broadcasters' programs. In the United Kingdom, this is known as TV listings.

Television scheduling strategies are employed to give programs the best possible chance of attracting and retaining an audience.