[GreenKeys] Military Time -vs- UTC

Dave F via GreenKeys greenkeys at mailman.qth.net
Sat Nov 29 00:11:46 EST 2014





Sheldon:
 
Your experience with the Army Reserve using "L" for "local" time must be  a 
local unit
thing. You didn't indicate whether or not they were using the 12 or 24  
hour clock.
 
Actually, note that the letter "J" in years past, was deliberately  omitted 
from the
list of time zones. There were two reasons for this. 
 
a. "J" was reserved for "local" time in the  OBSERVERS  particular locale or
specific area where the time is/was being observed.
 
b. Someone decided that the "J" or "j" resembled the letter "I" or "i"  too 
much.
Not sure who dreamed that one up, but I do recall that "J" time zone was  a 
reserved
slot for "local" time, and this is what your Army Reservists "should" be  
using. Time
keeping in the Army was more or less a function of the Signal Corps, so  if 
your 
unit is other than Signal, they might not have known this little tidbit.  
Check with
your unit's Chief Signal Officer and tickle his memory for fun.....
 
c. See ACP-121 (I), Communications Instructions, General, Chapt 3, para  
326 and 327
specifically. ACP-121 (I) is available online as a .pdf file and explains  
it nicely.
 
Stay well.
 
Dave in SC
M/SGT, US Army (Ret),
Communications Operations Chief, PMOS 31Z5M
----------------------------------------------------------------------------
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In a message dated 11/28/2014 3:23:34 P.M. Eastern Standard Time,  
SDAITCH at bbg.gov writes:

 

 
____________________________________
  
 


 
My experience when on my Army Reserve trips to Yokota AB is that many  
folks would try to use L for local time, which is an issue, as there is a  very 
valid lima time zone.

73
Sheldon






 






Dave:
 
The "J" time zone is used to allow the time-observer to use his  "local" 
time from
wherever he is currently located at the time he wants to tell  time.
 
Originally, the "J" time zone was skipped on purpose because it  resembled 
the "I"
too much in the alphabets. LIkewise, there was no Cyrillic  (Russian) 
equivalent
for the letter "J", so that letter and a referenced time zone  was dropped 
or omitted
in years past. Being retired now, I am not sure what they are  doing now or 
if the "J" time
zone has been restored.
 
Hope this helps too,
 
Dave in SC
M/SGT US Army (Ret)
Communications Operations Chief, 31Z5M
 
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