---
title: AttributeScopes.FoundationAttributes.DateFieldAttribute.Field.dayOfYear
framework: foundation
role: symbol
role_heading: Case
path: foundation/attributescopes/foundationattributes/datefieldattribute/field/dayofyear
---

# AttributeScopes.FoundationAttributes.DateFieldAttribute.Field.dayOfYear

## Declaration

```swift
case dayOfYear
```