---
id: fast-foundation.calendar.dayformat
title: Calendar.dayFormat property
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [Calendar](./fast-foundation.calendar.md) &gt; [dayFormat](./fast-foundation.calendar.dayformat.md)

## Calendar.dayFormat property

Format style for the day

<b>Signature:</b>

```typescript
dayFormat: DayFormat;
```