Jupitor$ bundle exec rake db:create db:migrate APP_development already exists rake aborted! PG::Error: ERROR: invalid value for parameter \"TimeZone\": \"UTC\" : SET ti
Restarting postgresql works.
To restart if you've installed it using homebrew, brew info postgresql will tell you to:
brew info postgresql
launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist launchctl load ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist