Greenwich Time Signal a station jingle during Jakki Brambles' early show and Simon Mayo's breakfast show. This was not strictly crashing the pips as they were not intended to be, or mistaken for, an accurate time signal. At 8 am on 17 September 2008, to the surprise of John Humphrys, the day's main presenter on the "Today" programme, and Johnnie Walker, who was standing in for Terry Wogan on Radio 2, the pips went adrift by 6 seconds, and broadcast seven pips rather than six. This was traced to a problem with the pip generator, which was 'repaired' by switching it off and
Greenwich Time Signal broadcast at 15:00 on Saturdays and at 10:00 and 11:00 on Sundays. This is caused by the scheduling of the afternoon play on Saturday and the omnibus edition of "The Archers" on Sunday. On BBC Radio 2, the pips are used at 07:00, 08:00, 17:00 and 19:00 on weekdays, at 07:00 and 08:00 on Saturdays and at 08:00 and 09:00 on Sundays. The pips were used on Radio 1 during "The Chris Moyles Show" at 06:30 just after the news, 09:00 as part of the Tedious Link feature, 10 am (at the end of the show) and often before "Newsbeat".