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Greenwich Time Signal

(British) A time signal transmitted on radio by the BBC every hour and consisting of five short beeps followed by a longer one, with the longer one coinciding with the start of the hour.

ˈɡɹɛnɪt͡ʃ ˈtaɪm ˈsɪɡnəl56 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 27, 2026UK

(British) A time signal transmitted on radio by the BBC every hour and consisting of five short beeps followed by a longer one, with the longer one coinciding with the start of the hour.

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