---
layout: stdlib-reference
---

# getRealtimeClockLow

## Description





## Signature 

<pre>
<span class="code_keyword">uint</span> <a href="getrealtimeclocklow-3bg.html">getRealtimeClockLow</a>();

</pre>

## Availability and Requirements

Defined for the following targets:

#### hlsl
Available in all stages.

Requires capability: `hlsl_nvapi`.
#### glsl
Available in all stages.

#### cpp
Available in all stages.

#### cuda
Available in all stages.

#### spirv
Available in all stages.

Requires capability: `spvShaderClockKHR`.