1 Hour Timer

About the 1 hour timer

An hour is the longest length most people set in a browser rather than on a phone, and it is the one where a badly built timer fails most visibly. Set an hour, switch to your work, come back, and either the reading is right or the whole exercise was pointless.

This one is right. The remaining time is derived from a deadline on the system clock, so it does not matter what the browser did to the tab in the intervening fifty nine minutes. Hidden tabs, throttled timers and a machine that slept all land on the same answer, and the alert fires at the hour rather than whenever the page next happens to be looked at.

The display switches to hours, minutes and seconds while there is more than an hour to go and to minutes and seconds after that, so the reading never carries a leading zero that means nothing. The tab title shows the time left, which on an hour long timer is the part you will actually use.

An hour suits a working block, a slow roast, a parking limit, a wash cycle, and the kind of homework session that needs a defined end. If what you want is an alert at a particular time of day rather than in an hour from now, the alarm clock is the better page: it survives a reload and rings until you stop it.

Press start and the ring empties once over the hour. Three rising notes at the end, or none if you turn the sound off.

The hour is the unit work is sold in, which makes it the one people most often need to measure honestly. If you bill by the hour, or you are trying to find out where a day actually goes, timing an hour of real work tells you more than estimating it afterwards, and the gap between the two is usually uncomfortable. Most people overestimate how much uninterrupted time they get by a wide margin.

An hour is also long enough that the failure modes of a browser timer stop being theoretical. Over sixty minutes a laptop will very likely sleep, a phone will lock, a browser will throttle the tab, and a timer that counts by accumulating ticks will be visibly wrong by the end. This one is not counting. It recorded the finish time when you pressed start and it is subtracting, which is why the reading is right when you come back, whatever happened in between.

The hour is the unit work is sold in, which makes it the one people most often need to measure honestly. If you bill by the hour, or you are trying to find out where a day actually goes, timing an hour of real work tells you more than estimating it afterwards, and the gap between the two is usually uncomfortable. Most people overestimate how much uninterrupted time they get by a wide margin.

An hour is also long enough that the failure modes of a browser timer stop being theoretical. Over sixty minutes a laptop will very likely sleep, a phone will lock, a browser will throttle the tab, and a timer that counts by accumulating ticks will be visibly wrong by the end. This one is not counting. It recorded the finish time when you pressed start and it is subtracting, which is why the reading is right when you come back, whatever happened in between.

Other lengths

• 1 Minute Timer
• 3 Minute Timer
• 5 Minute Timer
• 10 Minute Timer
• 15 Minute Timer
• 20 Minute Timer
• 30 Minute Timer