---
title: calendar
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/relativedatetimeformatter/calendar
---

# calendar

The calendar to use for formatting values that don’t have an inherent calendar of their own.

## Declaration

```swift
var calendar: Calendar! { get set }
```

## Discussion

Discussion Defaults to autoupdatingCurrent. If you set this property to nil, the formatter resets to using autoupdatingCurrent.

## See Also

### Configuring Formatter Options

- [locale](foundation/relativedatetimeformatter/locale.md)
- [dateTimeStyle](foundation/relativedatetimeformatter/datetimestyle-swift.property.md)
- [RelativeDateTimeFormatter.DateTimeStyle](foundation/relativedatetimeformatter/datetimestyle-swift.enum.md)
- [unitsStyle](foundation/relativedatetimeformatter/unitsstyle-swift.property.md)
- [RelativeDateTimeFormatter.UnitsStyle](foundation/relativedatetimeformatter/unitsstyle-swift.enum.md)
- [formattingContext](foundation/relativedatetimeformatter/formattingcontext.md)