Error when pushing data to Heroku: time zone displacement out of range
I run the following command to push the contents of my local database to Heroku: heroku db:push --app my-app From my home computer this works flawlessly but from my work computer I get this error: Taps Server Error: PGError: ERROR: time zone displacement out of range: "2011-11-15 12:00:00.000000+5894114400" I'm not sure where that date is coming from, I can't find it in the data anywhere. Any ideas what's going on and/or how to fix it? Using Ruby 1.9.2-p290 instead of 1.9.3-p0 fixed it for me. According to Roger Braun , this is the reason: The problem is (I think), that marshalling changed