A gym session slotted in after work tends to get scheduled for a fairly specific time once the commute and dinner are accounted for, and if that time is 7:43 pm, a live countdown beats trying to remember it while doing three other things. This page updates every second until the moment arrives.
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 7:43 pm whether or not you are watching it.
Australian writing has a habit of marking time with a full stop rather than a colon, so 7:43 pm might just as easily turn up on a printed notice or a shop sign written with a full stop instead. Both versions mean the same thing — it is purely a matter of local convention rather than a different time altogether.
Common questions
Why does the number change slightly every time I check?
Because it is a live countdown rather than a fixed figure, it updates every second, so the exact hours, minutes, and seconds remaining will always be a little lower than the last time you looked.
Can I use this to time something happening tomorrow instead of today?
The countdown always points to the next time that moment occurs, so if it has already passed for today, it is already counting down to tomorrow's occurrence without any adjustment needed.
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.