"Why Managing Document Versions in SharePoint is So Hard (and What to Do About ...
DocRead emails are sent by the DocRead Notification Scheduler windows service and date information that may be displayed will depend on the operating system regional settings specified on the server running that service.
If dates being displayed in the DocRead emails are in the wrong format (e.g. dd/mm/yy or mm/dd/yy) you will need to check the server running the scheduler and ensure that the regional settings are set to display dates in the format you prefer.

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