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    Re: Time-sight time conventions
    From: John D. Howard
    Date: 2018 May 17, 16:20 -0700

    Ed,

    I do not think that GCT or GMT changed over to 1200 at noon untill about 1923.  Before then noon was 0000 GMT and midnight was 1200.

    Others will correct me about the exact year but I am sure it was well into the 20th century.

    John H.

       
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