Don't you have slaine-update in /etc/apt/sources.list? You can check (and enable) it from the "Update" tab of the "Software sources" in the "System/Administration menu" (translation from French, the labels may be different) too.
2011j-0ubuntu0.10.10 is available in Trisquel Slaine:
http://packages.trisquel.info/slaine-updates/tzdata
- [Trisquel-users] tzdata changes needed in Trisquel 4.5 ... Michael V. Antosha
- Re: [Trisquel-users] tzdata changes needed in Tris... magicbanana
- Re: [Trisquel-users] tzdata changes needed in ... Michael V. Antosha
- Re: [Trisquel-users] tzdata changes needed... magicbanana
- Re: [Trisquel-users] tzdata changes ne... Michael V. Antosha
- Re: [Trisquel-users] tzdata chang... Michael V. Antosha
- Re: [Trisquel-users] tzdata c... magicbanana
- Re: [Trisquel-users] tzda... Michael V. Antosha
- Re: [Trisquel-users] tzdata changes needed in Tris... Michael V. Antosha
