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Editorial Team
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Asked: 2026-06-04T19:19:04+00:00

What is the difference between: cookies[:login] = { :value => XJ-122, :expires => 1.hour.from_now

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What is the difference between:

cookies[:login] = { :value => "XJ-122", :expires => 1.hour.from_now }

and 

cookies[:login] = { :value => "XJ-122", :expires => 1.hour }

Aren’t both times calculated at the time the cookie is set, and therefore ‘from_now’ is irrelevant?

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1 Answer

  1. Editorial Team

    You can always check your understanding using “rails console”.

    $ rails c
Loading development environment (Rails 3.2.3)
1.9.2-p318 :001 > 1.hour
 => 3600 seconds 
1.9.2-p318 :002 > 1.hour.class
 => Fixnum 
1.9.2-p318 :003 > 1.hour.from_now
 => Fri, 25 May 2012 04:16:57 UTC +00:00 
1.9.2-p318 :004 > 1.hour.from_now.class
 => ActiveSupport::TimeWithZone

    ActiveSupport::TimeWithZone is a ‘glorified’ Time class.

    :expires needs a Time instance. So, you should use 1.hour.from_now

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