Greenwich Mean Time subsection 23(3), the same rule applies to deeds and other instruments. During the experiment of 1968-1971, when the British Isles did not revert to Greenwich Mean Time during the winter, the all-year British Summer Time was called British Standard Time (BST). In the UK, UTC+0 is disseminated to the general public in winter and UTC+1 in summer. BBC radio stations broadcast the "six pips" of the Greenwich Time Signal. It is named from its original generation at the Royal Greenwich Observatory, is aligned to Coordinated Universal Time, and called either Greenwich Mean Time or British Summer Time as appropriate for
BBC Radio 4 meant that newsreaders can provide cover for continuity, which regularly occurs at 23:00 each night and 16:00 on a Sunday. This has reduced the total number of continuity announcers required each day down from four to three. The Time Signal, known as 'the pips', is broadcast every hour to herald the news bulletin, except at midnight and 18:00, where the chimes of Big Ben are played. There is no Greenwich Time Signal during the Saturday Afternoon Drama at 15:00 on Radio 4 on Saturdays either. Only pips broadcast on FM/AM/MW/LW are accurate. On all digital platforms they are in delay