License for the tzdata information

Jonas Melian jonas at
Wed Apr 29 06:30:16 UTC 2009

The data must be made available under a public domain license. Data must
be placed into the public domain to be unconstrained by copyright and to
be available for both non-commercial and commercial usage. Science
Commons [1] recommends the Open Data Commons Public Domain Dedication
and License [2] or the Creative Commons CC0 license [3].

You must read the first link to understand how important is use a public
domain license for data.


On Wed, 29 Apr 2009 07:14 +0200, "Jeroen Ruigrok van der Werven"
<asmodai at> wrote:
> -On [20090429 01:28], Olson, Arthur David (NIH/NCI) [E]
> (olsona at wrote:
> >There's no license.
> That might actually cause problems in Germany, I think.

-- - Or how I learned to stop worrying and
                          love email again

More information about the tz mailing list