The official website is currently down, however this url still accessible from google cache:
http://209.85.173.132/search?q=cache:JBpW5TryxxAJ:www.bmg.go.id/dataDetail.bmg%3FJenis%3DTeks%26IDS%3D7452470612766189439%26IDD%3D5015031020779933765+waktu+indonesia+bagian+barat+site:*.go.id&cd=5&hl=en&ct=clnk&gl=id&client=firefox-a

but the real url is:
http://www.bmg.go.id/dataDetail.bmg?Jenis=Teks&IDS=7452470612766189439&IDD=5015031020779933765

The document states that GMT +7 (jakarta time) is Waktu Indonesia Barat (WIB), GMT +8 is Waktu Indonesia Tengah (WITA), and GMT +9 is Waktu Indonesia Timur (WIT) Thank you for your attention.


On Fri, Apr 24, 2009 at 10:11 PM, Martin Pitt <martin.pitt@ubuntu.com> wrote:
http://www.timeanddate.com/worldclock/timezone.html?n=108 says "WIT".
Perhaps that's wrong as well? Do you have a reference (URL) to an
official document stating Jakarta's time zone?

Would you mind sending that to tz@elsie.nci.nih.gov as well (CC'ing
365215@bugs.launchpad.net) to discuss this upstream? Thank you!

** Changed in: tzdata (Ubuntu)
      Status: New => Incomplete

--
Jakarta is Indonesia West Time Not Central Time
https://bugs.launchpad.net/bugs/365215
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Status in “tzdata” source package in Ubuntu: Incomplete

Bug description:
In my desktop (Gnome), Jakarta is showing WIT (Indonesia Central Time) instead of WIB (Indonesia West Time.) Sorry, I have no idea what the package name is.