ruby on rails date formatting

I have three strings for a dates year, month, and day. I need to create a date object and format it like this:

Jan, 17 2015

I can't get this to work.  I substituted the variables that the strings represent.  The "20" is hard coded
        expiration_date_year = "20" + "15"
        expiration_date_month = "01"
        expiration_date_day = "17"

        expiration_date = Date.new(expiration_date_year, expiration_date_month, expiration_date_day)

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jackjohnson44Asked:
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Michael FowlerSolutions ConsultantCommented:
To format the date have a look at the strftime method. Also when creating a date object ion this way the inputs should be numerics not strings

expiration_date_year = "20" + "15"
expiration_date_month = "01"
expiration_date_day = "17"
date = Date.new(expiration_date_year.to_i, expiration_date_month.to_i, expiration_date_day.to_i)
formatted_date = date.strftime("%b, %m %Y")

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http://www.ruby-doc.org/core-2.0/Time.html#method-i-strftime
http://ruby-doc.org/stdlib-2.2.0/libdoc/date/rdoc/Date.html
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