Base on the document of Terminology and Wording
PatternFly encourages users to adopt much more emotional descriptions to show the time and date in the application. In most cases when users created a blog or document, their activities like attached / updated / followed / commented / liked / unliked…, we can use the following ways to display time:
In some environments, your application may need to show a correct time information, like a meeting time or a event time… Here are some recommended examples to show the correct time.
More information about Date Formats, please check Terminology and Wording of PatternFly
Please feel free to leave your comments and suggestions. Thank you~