A doctor's appointment, a trade callout, or a scheduled delivery booked for 7:59 am is the kind of thing worth tracking precisely rather than guessing at from the clock on the kitchen wall. This page gives the exact time left, updating every second, so there is no need to keep recalculating as the morning goes on.
There is only ever one number to read — hours, minutes, and seconds counting down together towards 7:59 am — rather than a page full of settings to get right first. No start button and no options to choose, just the current gap to that time, updating on its own for as long as you need it.
Public transport timetables in Australia are almost always printed in 24-hour time, which is exactly why 07:59 is worth having on hand even if 7:59 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
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.