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Difference of document.lastModified

Please let me know your result of Questionnaire about lastmodified.

Example of document's lastmodified is June 2, 1997 22:33:50 JST (Underlined signs it displayed in UTC).
And when is January 7, 2000 08:36:20 JST (Underlined signs it displayed in UTC).

Machine (OS) & Web Browser	Value of lastmodified	Note
Win3.1 & MSIE3.0a	Mon Jun 02 22:33:50 1997 Fri Jan 07 08:36:20 2000	(JP version)
Win95 & MSIE3.01	ŒŽ 6 02 22:33:50 09	(JP; Calendar=Japanese era )
	ŒŽ 6 02 22:33:50 1997	(JP; Calendar=Christian era & JP )
	Mon Jun 02 22:33:50 1997	(JP; Calendar=Christian era & EN )
Win95 & MSIE3.02	ŒŽ 6 02 22:33:50 09 ‹à 1 07 08:36:20 12	(JP; Calendar=Japanese era )
	ŒŽ 6 02 22:33:50 1997 ‹à 1 07 08:36:20 2000	(JP; Calendar=Christian era & JP )
	Mon Jun 02 22:33:50 1997 Fri Jan 07 08:36:20 2000	(JP; Calendar=Christian era & EN )
Win95 & MSIE4.0b2	06/02/97 13:33:50 [Rev.1]	(JP; Calendar= N/A )
Win95 & MSIE4.01	06/02/97 13:33:50	(JP; Calendar= N/A )
Win95 & MSIE4.01 SP1	06/02/97 13:33:50 01/06/00 23:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP)
WinNT & MSIE4.01	06/02/97 13:33:50 01/06/00 23:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP)
WinNT 4.x & MSIE4.01	06/02/1997 13:33:50	(JP; Calendar= N/A )
Win95 & MSIE5.00.2314.1003	06/02/1997 22:33:50 01/07/2000 08:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & MSIE5.5	06/02/1997 22:33:50 01/07/2000 08:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP )
Win2000 & MSIE5.01	06/02/1997 22:33:50 01/07/2000 08:36:20	(JP; Calendar= N/A )
WinMe & MSIE6.02	06/02/1997 22:33:50 01/07/2000 08:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP )
Win2000 & MSIE6.02	06/02/1997 22:33:50 01/07/2000 08:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinXP & MSIE6.0	06/02/1997 22:33:50 01/07/2000 08:36:20	(JP; Calendar= JP )
WinXP SP3 & MSIE8.0	06/02/1997 22:33:50 01/07/2000 08:36:20	(JP; Calendar= JP ))
Win95 & NN3.01Gold[ja]	06/02/97 22:33:50	(JP; Calendar=Christian era & EN/JP )
Win95 & NN3.03Gold[ja]	06/02/97 22:33:50 01/07/00 08:36:20	(JP; Calendar=Christian era & EN/JP )
Win95 & NN3.01 [ja]	06/02/97 22:33:50	(JP; Calendar=Christian era & EN/JP )
Win95 & NN4.03 [ja]	06/02/97 22:33:50	(JP; Calendar= N/A )
Win95 & NN4.7 [ja]	Monday, June 02, 1997 22:33:50 Friday, January 07, 2000 08:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP )
Win95 & NN4.75 [ja] / Win95 & NN4.78 [ja]	Monday, June 02, 1997 22:33:50 Friday, January 07, 2000 08:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & NN7.1 [en-US]	Mon, 02 Jun 1997 13:33:50 GMT Thu, 06 Jan 2000 23:36:20 GMT	(EN; Calendar= Japanese era / Christian era & EN/JP )
WinMe & NN7.1 [en-US]	Monday, June 02, 1997 21:33:50 Friday, January 07, 2000 08:36:20	For Windows Local File displays on-time practically, maybe its a bug! (EN; Calendar= Japanese era / Christian era & EN/JP )
WinMe & Firefox 1.0 ja-JP; rv:1.7.5	Mon, 02 Jun 1997 13:33:50 GMT Thu, 06 Jan 2000 23:36:20 GMT	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & Firefox 1.0 ja-JP; rv:1.7.5	Monday, June 02, 1997 21:33:50 Friday, January 07, 2000 08:36:20	For Windows Local File (JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & Firefox 1.5.0.2 ja-JP	06/02/1997 22:33:50 01/07/2000 08:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & Firefox 1.5.0.4 ja-JP	06/02/1997 22:33:50 01/07/2000 08:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & Firefox 2.0 ja	06/02/1997 22:33:50 01/07/2000 08:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinXP SP3 & Firefox 3.6.2 ja	06/02/1997 22:33:50 01/07/2000 08:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinXP SP3 & Firefox 16.0.2	n/a (06/02/1997 22:33:50) 01/07/2000 08:36:20	(JP; Calendar= Japanese era / Christian era & EN/JP )
Ubuntu 10.10 & Firefox 3.6.10	n/a Thu, 06 Jan 2000 23:36:20	(JP)
WinMe & Opera 7.03 [ja]	Mon, 02 Jun 1997 13:33:50 GMT Thu, 06 Jan 2000 23:36:20 GMT	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & Opera 7.11 [ja]	Mon, 02 Jun 1997 13:33:50 GMT Thu, 06 Jan 2000 23:36:20 GMT	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & Opera 8.54 [ja]	Mon, 02 Jun 1997 13:33:50 GMT Thu, 06 Jan 2000 23:36:20 GMT	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & Opera 9.25 [ja]	Mon, 02 Jun 1997 13:33:50 GMT Thu, 06 Jan 2000 23:36:20 GMT	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & Opera 9.64	Mon, 02 Jun 1997 13:33:50 GMT Thu, 06 Jan 2000 23:36:20 GMT	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & Opera 10.00	Mon, 02 Jun 1997 13:33:50 GMT Thu, 06 Jan 2000 23:36:20 GMT	(JP; Calendar= Japanese era / Christian era & EN/JP )
WinMe & Opera 10.51	Mon, 02 Jun 1997 13:33:50 GMT Thu, 06 Jan 2000 23:36:20 GMT	(Int:JP; Calendar= Japanese era / Christian era & EN/JP )
WinXP SP3 & Opera 10.51	Mon, 02 Jun 1997 13:33:50 GMT Thu, 06 Jan 2000 23:36:20 GMT	(Int:JP; Calendar= Japanese era / Christian era & EN/JP ) )
Win2000 SP4 & Opera 11.62	Mon, 02 Jun 1997 13:33:50 GMT Thu, 06 Jan 2000 23:36:20 GMT	(Int:JP; Calendar= Japanese era / Christian era & EN/JP ) )
WinXP SP3 & Opera 12.02	n/a (06/02/1997 22:33:50) 01/07/2000 08:36:20	(Int:JP; Calendar= Japanese era / Christian era & EN/JP ) )
WinXP SP3 & Opera 18.0 (WebKit)	n/a (06/02/1997 22:33:50) 01/07/2000 08:36:20	For Windows Local File displays on-time practically, maybe its a bug! (Int:JP; Calendar= Japanese era / Christian era & EN/JP ) )
WinXP SP3 & Opera 21.0 (WebKit)	n/a (06/02/1997 22:33:50) 01/07/2000 08:36:20	For Windows Local File displays on-time practically, maybe its a bug! (Int:JP; Calendar= Japanese era / Christian era & EN/JP ) )
PPC Mac & NN3.01[ja]	Jun 02 22:33:50 1997	(JP; Calendar= N/A )
PPC Mac & NN4.01	Jun 02 22:33:50 1997
PPC Mac & NN4.03[ja]	Jun 02 22:33:50 1997	(JP; Calendar= N/A )
PPC Mac & MSIE 3.01	1997”N 6ŒŽ 2“ú (ŒŽ) 10:33:50 PM	(Mac OS8; Calendar = JP)
	* But something wrong. When 97/12/16, it answers 98/1/6 !? ... Maybe temporary cache error
	Mon, Jun 2, 1997 10:33:50 PM	(Mac OS8; Calendar = EN)

Note:
In above table, you will see corrupt characters like "”N" or "ŒŽ" or "“ú" or "‹à", if your pc can't handle japanese character.
These characters are kanji. Each character means "Year" or "Month" (or "Monday") or "Day" or "Friday".

MSIE : Microsoft Internet Explorer
NN : Netscape Navigator
PPC : PowerPC

Rev.1 (1999-01-28): MSIE 4.xx only displays the time of document.lastModified in UTC(GMT) rather than as localtime.