---
title: components
framework: swift
role: symbol
role_heading: Instance Property
path: swift/duration/components
---

# components

The composite components of the Duration.

## Declaration

```swift
var components: (seconds: Int64, attoseconds: Int64) { get }
```

## Discussion

Discussion This is intended for facilitating conversions to existing time types. The attoseconds value will not exceed 1e18 or be lower than -1e18.