Deciding to be asleep by a set time and actually managing it are two different problems, but the first is easier with a real number attached to it. A precise count to 11:12 pm removes the comfortable margin people invent for themselves at this hour, and it keeps removing it every second the page stays open.
The clock it uses is your own — whatever local time and zone the device is set to. In the Emirates that means Gulf Standard Time, four hours ahead of UTC, year in and year out. Travel with the same laptop and the count follows the new local time once the machine has picked it up.
Having all three forms in front of you saves a good deal of squinting: 11:12 pm for everyday reading, 23:12 for anything printed in timetable style, and twelve minutes past eleven at night for whatever was actually said down the phone. They are three ways of writing one instant, and mixing them up is easier than it sounds.
Common questions
Will it alert me when 11:12 pm arrives?
No. This is a live figure rather than an alarm — nothing sounds, vibrates or notifies at zero. If you need interrupting at 11:12 pm, set an alarm alongside it and use this page as the running total.
Do the clocks change here?
No. The UAE has no daylight saving at all, so the offset stays at UTC+4 in every month. When the gap to Europe or North America shifts, it is their clocks that moved, not yours.
What is 23:12 on a 12-hour clock?
The same instant is 11:12 pm in writing and twelve minutes past eleven at night out loud. Anything from 13:00 onwards loses twelve to give the pm figure, which is the only sum involved in moving between the two.
Does the number update by itself?
Yes. It is recalculated every second from your device's clock, so nothing needs refreshing or restarting. Whatever is on screen is the current gap to 11:12 pm, not a figure worked out when the page first opened.