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I find the time shown on the menu bar on mavericks a bit annoying. It's not perfect. The "AM/PM" is now shown in lowercase after upgrade to OS X 10.9 Mavericks. Back in the previous versions of OS X, it was displayed in uppercase.

Is there a way change the lowercase am/pm to uppercase?

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up vote 7 down vote accepted

Since my system is german, I'm not 100% sure, but try this:

  • go to 'Language & Region' in the System Preferences

Language & Region

  • open 'Advanced Options'

Advanced Options

  • go to tab 'Time' and see if you can customize the way it's displayed

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Go into System Preferences -> Language & region, click on the button labeled "Advanced…" in the lower right, select the tab labeled "Times" and and then enter AM / PM as the abbreviations for Before / After noon in the lower left text fields.

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