I'm still looking at sites trying to get a final determinant. I have definite evidence that some organizations (government) use the beginning year as the FY. For example, here’s an official Prefectural site (for Shiga-ken) that announces “the holding of a congress for mayors of cities and towns in Shiga Prefecture for FYHeisei 19 (2007).
Date: May 9, Heisei 19 (era or reign date; Heisei 19 = 2007)
(place, etc.listed). .
“Purpose: At the start of this new fiscal year, to aim for exchange of opinions among leaders of the prefecture and its cities and towns. . .”
Since this meeting is being held in May, it makes it clear that FY 2007 begins from April 2007.
The TechOn site (owned by Nikkei BP) has
numerous pages that follow the same general pattern. For example this Japanese:
オリンパスは,2006年度(2006年4月~2007年3月)の連結決算の発表会において,
Means, "In Olympus' joint accounting statement for FY2006 (April 2006 to March 2007). . ."
So this site also believes that Olympus' Fiscal Year is labeled with the beginning year. (TechOne has many more accounting statements for numerous J companies listed this way. For example it has an article about Toyota titled
トヨタの2006年度決算 (Toyota's FY2006 accounting statement), and with the following info:
DATE 2007/05/09 19:48
トヨタ自動車は,2007年3月期の連結決算を発表した。).
"Toyota Auto has released its March, 2007 term joint accounting statement."
So the term ending March 2007 is part of FY2006.
TechOn uses the same format for Nikon:
ニコンは,2005年度(2005年4月~2006年3月)の
"Nikon's accounting statement for FY2005 (April 2005 to March 2006). . ."
I haven't found an official Nikon site that uses this format (none of the accounting statements I've been able to find use a specific FY date format), so I can't be sure about their style.
--
'And only the stump, or fishy part of him remained'
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A Contemplative Companion to Fujino Township