---
title: absoluteTime
framework: xctest
role: symbol
role_heading: Instance Property
path: xctest/xctperformancemeasurementtimestamp/absolutetime
---

# absoluteTime

The absolute time of the timestamp, which is the value of the mach absolute time clock.

## Declaration

```swift
var absoluteTime: UInt64 { get }
```

## See Also

### Mach Absolute Time

- [absoluteTimeNanoSeconds](xctest/xctperformancemeasurementtimestamp/absolutetimenanoseconds.md)