This post indicates that the source of the data comes from MaxMind. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=755533#20
I checked and MaxMind knows that Chattanooga is in Eastern timezone. It would be wonderful if there was a published method for making corrections. It seems that everyone that gets bad data from this service is just stuck with it. https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1192635/ https://bugs.launchpad.net/ubuntu/+source/tzsetup/+bug/589708/ ** Bug watch added: Debian Bug tracker #755533 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=755533 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to ubuntu-geoip in Ubuntu. https://bugs.launchpad.net/bugs/1178719 Title: geoip.ubuntu.com thinks Chattanooga, TN is in Central timezone Status in Ubuntu GeoIP Provider: New Status in ubuntu-geoip package in Ubuntu: Confirmed Bug description: wget -O - -q http://geoip.ubuntu.com/lookup <?xml version="1.0" encoding="UTF-8"?><Response><Ip>66.18.x.y</Ip><Status>OK</Status><CountryCode>US</CountryCode><CountryCode3>USA</CountryCode3><CountryName>United States</CountryName><RegionCode>TN</RegionCode><RegionName>Tennessee</RegionName><City>Chattanooga</City><ZipPostalCode>37415</ZipPostalCode><Latitude>35.1300</Latitude><Longitude>-85.2907</Longitude><AreaCode>423</AreaCode><TimeZone>America/Chicago</TimeZone></Response> Everything is correct except that Chattanooga TN is not in Central time. America/New_York would provide the correct timezone for users installing Ubuntu in Chattanooga. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-geoip/+bug/1178719/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp