---
title: timestamp
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/uievent/timestamp
---

# timestamp

The time when the event occurred.

## Declaration

```swift
var timestamp: TimeInterval { get }
```

## Discussion

Discussion This property contains the number of seconds that have elapsed since system startup. For a description of this time value, see the description of the systemUptime method of the ProcessInfo class.