# \[APP\]\[Pro\] Chronograph - Adds precise timer, stopwatch and transition functionality to Homey

**URL:** <https://community.homey.app/t/app-pro-chronograph-adds-precise-timer-stopwatch-and-transition-functionality-to-homey/18214>\
**Category:** Apps\
**Tags:** app, official, tools, homey-pro\
**Created:** [September 17, 2019, 5:55am UTC](https://community.homey.app/t/app-pro-chronograph-adds-precise-timer-stopwatch-and-transition-functionality-to-homey/18214 "2019-09-17T05:55:42Z")\
**Posts on this page:** 1\
**Showing post:** 229

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**Author:** ![Peter\_Kawa](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/peter_kawa/32/173848_2.png) [@Peter\_Kawa](https://community.homey.app/u/Peter_Kawa)\
**Post date:** [October 10, 2022, 2:30pm UTC](https://community.homey.app/t/app-pro-chronograph-adds-precise-timer-stopwatch-and-transition-functionality-to-homey/18214/229 "2022-10-10T14:30:40Z")

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I even have a importable flow for this. It uses Chronograph:

> [@The Flow Exchange(r) - Exchange Your Flows with Others!](https://community.homey.app/t/the-flow-exchange-r-exchange-your-flows-with-others/68981/23):
>
> Device state Time logger (Fixed some logics issues) For how long was my device on or off today (or the last X hrs/days)? The example flow resets the stopwatch at midnight. By pausing the stopwatch, when the device status is changed back, the times get added automatically when the device status changed again, until one resets the stopwatch. The duration gets written into 2 variables, one with hh:mm:ss format and one with human time format.

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