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 Ben. Radio 4 broadcasts the Shipping Forecast, which reached 150 years old in August 2017. The pips are only accurate on FM, LW & MW as there is a delay on DAB and digital radio of approximately 3 to 5 seconds, even longer online (up to 23 seconds). BBC Radio 4 is the second most popular British domestic radio station by total hours, after Radio 2 – and the most popular in London and the South of England. It recorded its highest audience, of 11 million listeners, in May 2011 and was "UK Radio Station of the Year" at the