There is a work around in the upstream bug report. You can put the following into your gtkrc to change the text colour on the clock:
style "panel-clock" { fg[NORMAL] = "#FFFFFF" } Related is bug 88263. -- clock doesn't deal well with transparent panel https://launchpad.net/bugs/10820 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs