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How adobe acrobat reader's created date is populated?

New Here ,
Jul 12, 2020

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Basically it varies based on each timezones configured in PC, but that timezone has a day saving time. Then created time show as created time + daylight differance. Is this an Acrobat reader issue (or) an application which generates it.

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How adobe acrobat reader's created date is populated?

New Here ,
Jul 12, 2020

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Basically it varies based on each timezones configured in PC, but that timezone has a day saving time. Then created time show as created time + daylight differance. Is this an Acrobat reader issue (or) an application which generates it.

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Most Valuable Participant ,
Jul 12, 2020

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The time is stored inside the PDF by the app which creates it. Reader reports what is there but may not adjust for the time zone difference (haven’t checked). 

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New Here ,
Jul 12, 2020

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Thanks for the reply !!!

Could you please tell, if we want to check the time stored inside the PDF. How to check it ? (means without the help of any Reader)

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Most Valuable Participant ,
Jul 12, 2020

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If you don't want to use any software, you will have to write your own. The PDF standard is published, but 1000 pages. Embedded metadata is further defined in another huge document. Is this the path you want to travel?

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Most Valuable Participant ,
Jul 12, 2020

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In order to read the contents of a file you must use a reader of some kind...

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Most Valuable Participant ,
Jul 12, 2020

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If you want to see the raw value, open the file in a plain-text editor and search for CreationDate. It will appear just after it. It will look something like this:

/CreationDate(D:20200709124231Z)

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Most Valuable Participant ,
Jul 12, 2020

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Well, sometimes it will be there after /CreationDate, as plain text. Sometimes /CreationDate might appear more than once. Sometimes not at all. If a PDF contains XML metadata, it overrides the CreationDate. Reading this metadata may require a lot of decoding (for example, it might be ZIP compressed).

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New Here ,
Jul 12, 2020

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Por favor no quiero recibir más mensajes

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