gnome-contacts shows wrong birthdays.
The shown birthdays are always one day before the real birthday. Evolution shows the correct birthday.
Maybe its a probelem of the correct timezone, i am not sure. I am living in germany.
Yes, this is timezone related:
Should be fixed by this build:
Should be fixed by https://admin.fedoraproject.org/updates/FEDORA-2011-12324
which is now in stable.
I'm closing this bug, feel free to re-open it if you see this problem even with this update installed.