Default [Q] Change date format in aosp lockscreen

I have 4.1.2 S Advance with aosp lockscreen enabled.

How can I change date format?

For example, in this image I have Fri, 26 Apr... instead I want to have this format: Friday, 26 April 2014.

Unfortunately there is no native settings to change date format in lockscreen, so I'd like to receive an answer from some coder.

Any help would be appreciated.

Thank you.
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