You should provide sample code to help you determine the context. But keeping things as simple as possible ...
A date is a date, regardless of the host computer and its locale, so if you want to ignore the localization of the host computer, which affects things like, for example, dates, you can consider using a custom date format.
DateTime thisDate = new DateTime(2008, 3, 15);
Console.WriteLine(thisDate.ToString("dd-MM-yyyy"));
Console.WriteLine(thisDate.ToString("dd MMM yyyy"));
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