The Welcome Screen 24 Hour Clock

I once worked in an industry that used the 24-hour clock (“military time”) almost exclusively. While I hated it at first, I’ve grown to love its lack of ambiguity. There is no “7AM” or “7PM” in my world, just “07:00” and “19:00”. I’ve set all my electronic devices to display 24-hour time, and even bought an alarm clock specifically because it can display 24-hour time.

Which is why Windows 10’s Welcome Screen drove me insane. In Windows, most regional settings are handled on a per-user basis. So if my GF and I shared a computer, I could use the 24-hour clock on my account, but she could use the 12-hour clock on her account. But the thing is, when you boot up a Windows 10 computer, no user is logged in. By default (in the United States, anyway) Windows 10 displays the 12-hour clock. It’s hardly the end of the world: I only reboot my computer once a month for updates… but it just nagged at the OCD part of my personality to see “2:34PM” on the Welcome Screen instead of “14:34”.

Can you change that? Of course you can!

Open Control Panel and go to “Region”.

If you haven’t already, use the drop-down boxes to choose the 24-hour clock option under “Short Time:” and “Long Time:” (red arrows) and click “Apply”. Then (or if your computer already uses the 24-hour clock) click on the “Administrative” tab (blue arrow):

Welcome Screen 1
(click to embiggen)

Click the “Copy Settings” button:

Welcome Screen 2
(click to embiggen)

Lastly, check the box under “Welcome Screen and system accounts”. I also read a couple of posts saying to check the “New User Accounts” box, too. Since I’m the only one who uses this computer… why not?

Welcome Screen 3
(click to embiggen)

From here on out, the Welcome Screen should display the 24-hour clock. Hooray!

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