> For the complete documentation index, see [llms.txt](https://mwx.twelite.info/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mwx.twelite.info/latest_en/api-reference/funcs/systemfunc/millis.md).

# millis()

Obtain the system time, \[ms].

```cpp
uint32_t millis()
```

The system tick time is updated by TickTimer interrupt.