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    Re: The Nautical Day
    From: Doug Royer
    Date: 2004 Feb 10, 10:16 -0800

    Trevor,
    I didn't say there was a break in any routine at the beginning or end of the
    day.The logs start at noon one day and end at noon the next day while
    underway or in port.While underway the ships I work on stand either 4 hrs
    on,4 hrs off or 6 hrs on,6 hrs off continuesly as set by the master(on the
    Station Bill).Watches while in port have a differant schedule(8 on,8 off or
    12 on,12 off).So as examples,say I have the 1st 1200 to 1800 watch
    01-01-03.I have from 1800 to 0000 off 01-01-03.At 0000 to 0600 01-02-03 I
    report back for watch continuesly.If I have the 1st 1200 to 1600 01-01-03
    watch I have from 1600 to 2000 01-01-03 off,report for the 2000 to 0000
    01-01-03 watch,have off 0000 to 0400 01-02-03 and report back for watch 0400
    to 0800 01-02-03 continuesly.
    All the ships' logs are kept on a noon to noon schedule is what I wanted to
    convey by the ships' day.
    
    -----Original Message-----
    From: Navigation Mailing List
    [mailto:NAVIGATION-L{at}LISTSERV.WEBKAHUNA.COM]On Behalf Of Trevor J.
    Kenchington
    Sent: Monday, February 09, 2004 11:49
    To: NAVIGATION-L{at}LISTSERV.WEBKAHUNA.COM
    Subject: Re: The Nautical Day
    
    
    That is interesting, Doug!
    
    Can you explain in what ways the ship's day ends at noon? The ships I
    have worked on (mostly government research trawlers, some commercial
    fishing boats) had no break in their routines at noon. Indeed, aboard
    Australia's "Soela", we used to work 8-hour watches with one running
    0800 to 1600, so there was literally no break at noon.
    
    Do you think of your ship's days in terms of calendar dates or just as
    units of working time that span across two calendar days? If you do put
    dates on noon-to-noon days, do you use a date 12 hours ahead of, of 12
    hours behind, the civil calendar?
    
    
    Trevor Kenchington
    
    
    You wrote:
    
    > The ships' day still begins and ends at local noon at sea and while in
    > port.This is mainly done for work and watch standing purposes and has
    > nothing to do with navigation.Most likely a traditional carry over from
    > earlier times.
    
    
    --
    Trevor J. Kenchington PhD                         Gadus{at}iStar.ca
    Gadus Associates,                                 Office(902) 889-9250
    R.R.#1, Musquodoboit Harbour,                     Fax   (902) 889-9251
    Nova Scotia  B0J 2L0, CANADA                      Home  (902) 889-3555
    
                         Science Serving the Fisheries
                          http://home.istar.ca/~gadus
    
    
    

       
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