Last Updated
：2025/11/20
Greenwich Time Signal
Noun
Britain
Japanese Meaning
グリニッジ・タイム・シグナルは、英国BBCが毎時ラジオで送信する時間信号で、5回の短いビープ音に続いて1回の長いビープ音が鳴り、長い音がその時間の始まりを示すものです。
（ plural ）
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(Britain) 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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Greenwich Time Signal
The crew synchronized their clocks to the Greenwich Time Signal before the broadcast to ensure the five short beeps and the final long tone marked the hour precisely.
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The crew synchronized their clocks to the Greenwich Time Signal before the broadcast to ensure the five short beeps and the final long tone marked the hour precisely.
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