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# NSQuarterCalendarUnit

Specifies the quarter unit.

```
static var NSQuarterCalendarUnit: NSCalendar.Unit { get }
```

## Discussion

In macOS 10.6 and earlier this was defined as equal to <doc://com.apple.documentation/documentation/CoreFoundation/CFCalendarUnit/quarter>. In macOS 10.7 and later it is defined as `(1 << 20)`.

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