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 Orchestra sections of the Radio Orchestra were utilised across BBC’s Regional Radio Orchestras: The B1, B2, C1, C2 and D combinations matched the line up of the largest regional orchestra, the BBC Scottish Radio Orchestra, which would occasionally receive augmentation to A size. The BBC Northern Radio Orchestra (previously the BBC Northern Dance Orchestra) utilised C and D combinations, as did the Midlands Radio Orchestra. In a change of musical policy at the BBC, the corporation disbanded many of its light orchestras in 1979, including the regional Radio Orchestras, resulting in a dispute with the Musicians' Union that disrupted the Proms