Through the summer the only tolerable hour outdoors is the one before the sun clears the horizon, so runs and long rides start at times that would look absurd in November. If 12:20 am is when you mean to be moving, this page counts down to it exactly, which is more use than guessing from the light outside.
One number, counting down: hours, minutes and seconds together. No button to press first, no options to get right, no settings screen hiding a default that turns out to be wrong. Whatever it says is the current distance to 12:20 am, worked out fresh a second ago rather than when the page loaded.
Plenty of phones and dashboards default to a 24-hour display regardless of how people around them actually speak, so 00:20 may well be the figure staring back at you while 12:20 am is what anyone would say out loud. Neither form is more correct; they are just aimed at different readers.
Common questions
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 12:20 am, not a figure worked out when the page first opened.
What happens once 12:20 am has passed for today?
The count rolls over and carries on towards the same time tomorrow. That happens on its own at the moment the time passes — the page does not need reloading and there is nothing to reset by hand.
Which clock does the countdown use?
Your own. It reads the local time and time zone from the device in front of you, which in the Emirates means Gulf Standard Time, UTC+4. Travel and the count follows whatever the device picks up.
Will it alert me when 12:20 am arrives?
No. This is a live figure rather than an alarm — nothing sounds, vibrates or notifies at zero. If you need interrupting at 12:20 am, set an alarm alongside it and use this page as the running total.