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From "Janne Jalkanen (JIRA)" <>
Subject [jira] Commented: (JSPWIKI-196) Date and time format accoding to ISO 8601
Date Sat, 23 Feb 2008 00:23:20 GMT


Janne Jalkanen commented on JSPWIKI-196:

Andrew: incorrect.  The question was about things like Comment.jsp which actually *writes*
the datetime onto the page.  In this case, the locale of the browser is actually *damaging*
the situation, because all comment dates would be written in whatever locale the user might
be using.  So you would see dates in Finnish if I commented on something.

I'm seeing at least three different things being discussed here.  I would like to propose
that someone splits these into these separate issues

1) usage of ISO8601 as the default time format (which I believe is crap, and JSPWiki is not
a scientific project.  You're not seeing greek letters anywhere either, and scientists regularly
use those as variable names.  I know, I'm a trained physicist.)
2) making sure wherever we render internal dates we use browser locales properly
3) adding an property-settable datetime format for cases where we render the dates directly
on the page content (like Comment.jsp).

> Date and time format accoding to ISO 8601
> -----------------------------------------
>                 Key: JSPWIKI-196
>                 URL:
>             Project: JSPWiki
>          Issue Type: Improvement
>          Components: Localization
>    Affects Versions: 2.6.1
>         Environment: Any
>            Reporter: Goran Karlic
>            Priority: Trivial
> We have multiple occurences of hard-coded or context-unaware DateTime to String conversions
(page properties, JSPs, templates).
> My proposal is to rely on an international standard instead of using an invented default.
The current international standard is ISO 8601 (s. Wikipedia). My further proposal is to show
time with the precision to the second, as the SI unit system defines the second as the basic
unit of time. Furthermore "GMT" is replaced by "UTC" and they might differ up to a second
(s. Wikipedia).
> I think this will make unlocalized strings more transparent to the users and easier to
decode correctly (consider 02/03/08 - is it in the future or in the past - or might it even
be the current time?!).
> Following this proposal java format strings allowed for above cases would be: 
> (1) Simple date: "yyyy-MM-dd" ("The daily mail for 2008-02-20 was sent")
> (2) Date and time
> (2.1) Explicit time context: "yyyy-MM-dd hh:mm:ssZ" ("User gkarlic made this at 2008-02-20
> (2.2) Implicit time context: "yyyy-MM-dd hh:mm:ss" ("This server lives on CET, here it
is 2008-02-20 22:38:10")
> Where (2.1) would be used for strings that might emerge from different time-zones.
> If others agree with this proposal, I would gladly make the required changes.

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