Use 24-hour format
Select date format
Language Settings
To set the language of the display text:
1 Touch the Home button
Language & keyboard Select language, or
touch
Select language.
2 Select a language of your choice from the Locale list that appears.
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Customizing Your Dell Streak 7 Tablet
Clear this check box to display the time in 12-
hour format.
Select the format to be used for displaying the
date.
Settings icon
Menu button
Language & keyboard
Settings