---
title: "time(includingFractionalSeconds:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/datecomponents/iso8601formatstyle/time(includingfractionalseconds:)"
---

# time(includingFractionalSeconds:)

## Declaration

```swift
func time(includingFractionalSeconds: Bool) -> DateComponents.ISO8601FormatStyle
```