---
title: kCFAbsoluteTimeIntervalSince1904
framework: corefoundation
role: symbol
role_heading: Global Variable
path: corefoundation/kcfabsolutetimeintervalsince1904
---

# kCFAbsoluteTimeIntervalSince1904

The time interval between 1 January 1904 and the reference date 1 January 2001 00:00:00 GMT.

## Declaration

```swift
let kCFAbsoluteTimeIntervalSince1904: CFTimeInterval
```

## See Also

### Constants

- [kCFAbsoluteTimeIntervalSince1970](corefoundation/kcfabsolutetimeintervalsince1970.md)