Convert UTC to local time in Rails 3

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Time#localtime will give you the time in the current time zone of the machine running the code:

> moment = Time.now.utc
  => 2011-03-14 15:15:58 UTC 
> moment.localtime
  => 2011-03-14 08:15:58 -0700

Update: If you want to conver to specific time zones rather than your own timezone, you’re on the right track. However, instead of worrying about EST vs EDT, just pass in the general Eastern Time zone — it will know based on the day whether it is EDT or EST:

> Time.now.utc.in_time_zone("Eastern Time (US & Canada)")
  => Mon, 14 Mar 2011 11:21:05 EDT -04:00 
> (Time.now.utc + 10.months).in_time_zone("Eastern Time (US & Canada)")
  => Sat, 14 Jan 2012 10:21:18 EST -05:00

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