Courts and pitches are booked by the hour and the hour begins whether or not you have arrived, with the drive across town being the part that gets underestimated. This page counts down to 9:49 pm exactly, so the decision about when to leave rests on a number rather than on optimism about the traffic.
There is nothing to start and nothing to choose. The page reads the clock on your device, works out the gap to 9:49 pm, and redraws it every second for as long as it is open. Leave it in a background tab if you like; the number will be current whenever you look back at it.
In an office where a dozen nationalities read the same calendar invite, 24-hour notation quietly does a lot of work. 21:49 cannot be misread as the other end of the day, whereas 9:49 pm depends on the reader noticing two small letters at the end of it. Both describe exactly the same moment.
Common questions
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 21:49 on a 12-hour clock?
The same instant is 9:49 pm in writing and eleven minutes to ten 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 9:49 pm, not a figure worked out when the page first opened.
What happens once 9:49 pm 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.
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