You want something like this?
In the Terminal, do
Code:
defaults write com.omnigroup.OmniFocus RelativeDateFormatterShowTime YES
followed by the return key. If you bought your copy of OmniFocus from the Mac App Store, use com.omnigroup.OmniFocus.MacAppStore instead. For more details, see
http://forums.omnigroup.com/showthread.php?t=19114