- This article is about the value. For more information on the block that reports this value, see Timer (block).
The timer is extremely accurate and the value itself is not affected by lag.
Related Blocksblocks, both found in the Sensing category:
In Scratch 2.0, this block is also available:
- When timer > (): This starts when timer value is greater than the input value.
How it works
The timer works in the following ways:
- Continuously counts upwards by tenths of seconds
- Cannot be paused or stopped (that would imply pausing or stopping the flow of time itself)
- Shows seconds, not minutes or more — even when the current value is longer than sixty seconds
- Resets only when a project is opened inside Scratch or by execution of the Reset Timer block
- Continues even when its project stops running
when gf clicked set [timer v] to  forever wait (0) secs change [timer v] by ((1) / (30))
This way is slightly less accurate than the timer, and can be affected by other scripts.
The timer is commonly used in projects that require a clock of some sort, such as racing projects. Other uses include:
- Using time duration in one sprite one script projects without pausing the script
- Checking how long a level took to complete
- A lag detector for a game.
- A turbo mode detector.