The display screen is dimmable (though the projection is not), and you can set the time formatting to 12 or 24 hours. It only has one alarm that’s not adjustable, but it does have a two-minute ...

15. 12/24 Hour Display Alarm Clock Amazon.com This stylish design can be programmed to display the time in either 12-hour or 24-hour format, for those of you on military time.

Our tech writer tested 12 alarm clocks, including basic models and some with built-in Bluetooth speakers, to find the best alarm clocks at every price point.