| Level | Olson published date | Countries updated | Paul Eggert list date |
| tzdata2006o | 06 Nov '06 | Cuba, Chile | 31 Oct 2006 |
| tzdata2006n | 10 Oct 2006 | Brazil (see below),
Jordan, Nicaragua, Serbia & Montenegro | 06 Oct 2006 |
| tzdata2006m | 02 Oct 2006 | Uruguay, Palestine,
and Egypt , Syria | 20 Sep 2006 |
| tzdata2006l | 18 Sep 2006 | Egypt (interim) | |
| tzdata2006k | 28 Aug 2006 |
Gaza, Honduras, Cuba
| 22 Aug 2006 |
| tzdata2006j | 21 Aug 2006 |
Honduras, Bermuda, New Brunswick, Quebec,
etc.
| 11 Aug 2006 |
| tzdata2006i | 07 Aug 2006 | localtime.c fixes and
also adds Ken Pizzini's conversion script. | |
| tzdata2006g
(was no 2006h) | 08 May 2006 |
Honduras, El Salvador, Guatemala, Nicaragua
| 05 May 2006 |
| tzdata2006d | March 2006 | Canada - majority of provinces |