On 28 February 1983, BBC1 started to air a selection of Ceefax pages every weekday morning at 6.00am called Ceefax AM which would lead into the start of Breakfast Time at 6.30am. It is first mentioned in the Radio Times on 21 March.
Data: TMDB (this product uses the TMDB API but is not endorsed or certified by TMDB), Wikidata.