You can set the date format in Control Panel -> Regional and Language Options -> Customize (button in Regional Options screen) -> Date. This is a server-wide change that will affect all sites. If a particular site needs it to be different but you don't want to change it for the whole server, they should handle it purposefully in code. For example, they could run all dates through a method to change the format.
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You can set the date format in Control Panel -> Regional and Language Options -> Customize (button in Regional Options screen) -> Date. This is a server-wide change that will affect all sites. If a particular site needs it to be different but you don't want to change it for the whole server, they should handle it purposefully in code. For example, they could run all dates through a method to change the format.