---
title: deltaTime
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/sceneupdatecontext/deltatime
---

# deltaTime

The number of seconds elapsed since the last update.

## Declaration

```swift
var deltaTime: TimeInterval
```

## See Also

### Updating a scene

- [scene](realitykit/sceneupdatecontext/scene.md)