I need your help for planet

[Nitesh Vaghani]

Hi,
    I have set planet for company site.
    But i need to set that planet parse data as created date wise of 
blog-post.
    Mean currently planet extract date from blog-post as modified date 
wise, i need to extract date on created date wise.
    Can you please help me out where in which file i need to change so 
it extract and display date as created wise blog-post.

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Thanks,
Nitesh Vaghani,
Sr. Application Engineer,
TinyERP Pvt Ltd,