Delivery slots and tradespeople's arrival windows are given as a range but tend to hinge on a specific time, and waiting in for one eats a morning if you are not tracking it. This page counts down to 9:31 am exactly, which is a good deal steadier than checking a clock every few minutes.
The figure on this page comes from your own device's clock, checked continuously and recalculated every second against 9:31 am. There is nothing to press and nothing to set up first — the count is already running by the time the page has finished loading, and it keeps going while you are looking at it.
Plenty of phones, laptops and dashboards default to a 24-hour display regardless of how people around here actually talk, so 09:31 may well be the figure staring back at you even though 9:31 am is how the same moment would be said aloud. Neither is more correct than the other.
Common questions
Will this alert me when the time arrives?
No. It is a live number rather than an alarm — nothing rings, buzzes or notifies you at zero. If you need to be interrupted at 9:31 am, set an alarm as well and treat this page as the running total.
Is it affected by the clocks changing?
Only in the sense that your device is. When the change between GMT and BST happens at the end of March and October, the device adjusts and the countdown follows it without anything to do here.
What is 09:31 in the 12-hour clock?
That is 9:31 am, or twenty-nine minutes to ten in the morning if you are saying it aloud. From 13:00 onwards, subtracting twelve gives the pm figure — the same moment written three different ways.
Does the number update by itself?
Yes. It recalculates every second from your device's clock, so there is nothing to refresh or restart. Whatever is on screen is the current gap to the target time, not a figure worked out when the page first loaded.