Truck drivers on an overnight run, servo attendants working through to sunrise, and anyone tracking a scheduled delivery or handover all have a use for knowing exactly how far off 3:43 am is. Nothing needs installing to check it — the number simply counts down on its own, second by second, for as long as the page stays open.
The countdown itself makes no sound and needs no attention while it runs — it is a number, not an alarm, and there is nothing set to go off when it reaches zero. Leaving the page open in the background is perfectly fine; it will simply keep counting down to 3:43 am whether or not you are watching it.
Public transport timetables in Australia are almost always printed in 24-hour time, which is exactly why 03:43 is worth having on hand even if 3:43 am is the version that comes to mind first. Matching the two formats against each other takes the guesswork out of reading a printed timetable correctly.
Common questions
Does daylight saving affect the countdown?
Yes, because it reads from your device's own clock, any daylight saving change your device applies automatically is reflected in the countdown without any extra step on your part.
Why does the countdown look different on two devices checked at once?
That usually means the two clocks are not perfectly in sync, or one device has not adjusted for a time zone or daylight saving change. The countdown itself always follows whatever clock it is reading from.
Is there a way to make the countdown count towards a different time?
This particular page is fixed to one target time. Checking a different one just means visiting the matching page built for that specific time instead.
Can this replace an alarm for waking up or getting somewhere on time?
It shows exactly how long is left, but it does not ring or alert you at zero, so it works better alongside an alarm than as a replacement for one.