> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs-staging.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# AR Osal Timer

> Defines public APIs for timer operations.

**Header:** `ar_osal/api/ar_osal_timer.h`

## Functions

### `ar_timer_get_time_in_us`

ar\_timer\_get\_time\_in\_us Gets the wall clock time in microseconds

```cpp theme={null}
uint64_t ar_timer_get_time_in_us(void)
```

**Returns**

Wall clock time in microseconds.

### `ar_timer_get_time_in_ms`

ar\_timer\_get\_time\_in\_ms Gets the wall clock time in milliseconds

```cpp theme={null}
uint64_t ar_timer_get_time_in_ms(void)
```

**Returns**

Wall clock time in milliseconds.