---
title: "Durations"
weight: 100
---

{{< callout type="info">}}
  Header: `chrono.h`  
  From: `20.41.0`  
  Similar to: [std::chrono](https://en.cppreference.com/w/cpp/chrono.html)
{{< /callout >}}

Classes that represent a duration.

`etl::chrono::duration`  
`etl::chrono::duration_cast`  
`etl::chrono::duration_values`