Is there a way to change the display in Requests to show the time in 24 hour time format rather than 12 hour format ?

Is there a way to change the display in Requests to show the time in 24 hour time format rather than 12 hour format ?

We would like to see the display when looking at lists of Requests to show dates and times in 24 hour format rather than 12 hour format . Is this customisable ? 

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