John Kilopascal wrote in USMA 17067:

>Are you referring to the clock/watch displaying 0000 h instead of 2400 h, or
>are you referring to the use of the colon between the hour and minutes?  Is
>the colon not suppose to be used?  I prefer it as it separates time units in
>the same way a decimal point or comma separate whole numbers from parts of
>numbers.
>
>John
>
>----- Original Message -----
>From: "James Frysinger" <[EMAIL PROTECTED]>

>> At ease, gents; that is the sailor in me coming out. Today's 2400 local
>time
>> is identical to and simultaneous with tomorrow's 0000 local time. I'm in
>the
>> habit of using either, depending on the context. The 20 to 24 watch is
>> relieved by the 00 to 04 watch at 2400 the ending day, which is 0000 the
>> beginning day. But there is no 2401, except in the area of celestial
>> navigation calculations.


ISO 8601:1988, clause 5,3,1,1  says:
        Basic formet:  hhmmss
                Example:  232050
        Extended format;  hh:mm:ss
                Example:  23:20:50

Joseph B.Reid
17 Glebe Road West
Toronto  M5P 1C8             TEL. 416-486-6071

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