24 cities have been added to the World Clock Deluxe database. New cities are:
| China | Xiamen |
| India | Durgapur |
| Iran | Bandar Abbas |
| Japan | Chiba, Fukushima, Hamamatsu, Niigata, Okayama, Sagamihara, Sakai, Shizuoka |
| Nigeria | Benin City |
| Russia | Kurilsk, Magnitogorsk, Severo-Kurilsk, Sochi, Surgut, Yuzhno-Kurilsk |
| Uganda | Entebbe |
| United Kingdom | Truro |
| United States | Atlantic City, NJ |
| West Bank | Hebron, Nablus, Ramallah |
Daylight-saving information for Cuba, Fiji, Ukraine, and the Brazilian state of Bahia has been updated. Bahia reintroduced daylight-saving time this year, Cuba postponed the end of DST from October 30 to November 13, 2011, Fiji will advance the end of DST from February 26 to January 22, 2012, and Ukraine canceled its previous decision to permanently remain on daylight-saving time and switched back to standard time on October 30, 2011.
Two minor incompatibilities with macOS 10.7 Lion have been solved. The position of the Clocks palette pop-up menus has been corrected and the desktop-level Clocks palette remains visible now when the desktop is shown with Mission Control.