Im always military time!
Most Helpful Guy
I have no first hand military influence, but I preferred 24hr since my mid teens. At first I just thought it was cooler, but it's actually more functional and efficient. Less digits are required for 24hr time. No need for AM/PM. If it's just a 4 digit clock, you can see the time across the room. If you wake up in a stupor, you can look at the time without trying to figure out AM or PM. This will work well if you are a druggie, or have some other reason for wild, erratic sleeping, where you might not immediately realize if it's AM or PM, when you wake up.1
Most Helpful Girl
My tablet is 24 hour and my phone is 12... so both. I grew up in a military family, so I don't mind the 24 hour one.0