Bill, Pierre:
>Anyone have a better suggestion for a symbol for year?
I have often used the symbols as: Y & yr for year. But  to specify if I meant 
ONLY the tropical year or otherwise, it become obvious to qualify as Y (Year 
Tropical, Yt) or Ys (Year Sidereal).....etc. The general convention of 
reference to Year being a 'tropical year', when only Y is good enough. 
BUT, is this a point of debate? Why not leave it alone, with its existing 
symbol as: yyyy-mm (or ww)-dd H hr-md-sd; H being the seperation for 'time of 
the 'hour, using decimalised minutes & decimal seconds after the hour'.
Regards,Brij Bhushan Vij (MJD 2454553)/995+D-046W12-04 (G. Thursday, 2008 March 
27 H 17:44(decimal) IST Aa Nau Bhadra Kritvo Yantu Vishwatah -Rg Veda Jan:31; 
Feb:29; Mar:31; Apr:30; May:31; Jun:30 Jul:30; Aug:31; Sep:30; Oct:31; Nov:30; 
Dec:30 (365th day of Year is World Day) HOME PAGE: 
http://www.brijvij.com/******As per Kali V-GRhymeCalendaar*****"Koi bhi 
cheshtha vayarth nahin hoti, purshaarth karne mein hai"Contact # 011-9818775933 
(M)001(201)962-3708(when in US)> From: [EMAIL PROTECTED]> To: 
[email protected]> Subject: [USMA:40681] RE: symbol for year> Date: Wed, 26 
Mar 2008 13:47:33 -0700> > As it's a variable, I don't think a symbol (other 
than an italicized one,> which would be scientifically appropriate, but not SI) 
is needed at all.> > As it's only a four-letter word (in several languages -- 
only two letters in> French), it's not too tedious to spell it out anyway. Its 
use in a> pseudo-mask for date formatting (e.g., yyyy-mm-dd, used for MS Excel 
date> cells and elsewhere) is arbitrary and convenient (and not intended to be> 
faithful to SI).> > Bill Potts> ________________________________> Bill Potts> 
Roseville, CA> http://metric1.org [SI Navigator] > > > -----Original 
Message-----> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf> Of 
Pierre Abbat> Sent: Sunday, March 23, 2008 11:59> To: U.S. Metric Association> 
Subject: [USMA:40675] symbol for year> > I've seen "y", "a", and "ya" as 
symbols for year ("ya" actually for "years> ago"). Both "y" and "a" have 
problems:> *If "a" means year, then a petayear is "Pa", but that's a pascal.> 
*If "y" means year, then a gigayear is "Gy", but that's a gray.> Anyone have a 
better suggestion for a symbol for year?> > Pierre> 
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