class ActiveSupport::TimeWithZone

Time.zone.now.inspect # => "Thu, 04 Dec 2014 11:00:25.624541392 EST -05:00"

Returns a string of the object's date, time, zone, and offset from UTC.

def inspect
  "#{time.strftime('%a, %d %b %Y %H:%M:%S.%9N')} #{zone} #{formatted_offset}"
end