---
title: CACurrentMediaTime()
framework: quartzcore
role: symbol
role_heading: Function
path: quartzcore/cacurrentmediatime()
---

# CACurrentMediaTime()

Returns the current absolute time, in seconds.

## Declaration

```swift
func CACurrentMediaTime() -> CFTimeInterval
```

## Mentioned in

Optimizing iPhone and iPad apps to support ProMotion displays

## Return Value

Return Value A CFTimeInterval derived by calling mach_absolute_time() and converting the result to seconds.

## See Also

### Animation Timing

- [CAMediaTimingFunction](quartzcore/camediatimingfunction.md)
- [CAMediaTiming](quartzcore/camediatiming.md)
- [CADisplayLink](quartzcore/cadisplaylink.md)
- [CAMetalDisplayLink](quartzcore/cametaldisplaylink.md)
- [CAMetalDisplayLink.Update](quartzcore/cametaldisplaylink/update.md)
- [CAMetalDisplayLinkDelegate](quartzcore/cametaldisplaylinkdelegate.md)