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# abbreviation(for:)

Returns the abbreviation for the receiver at a given date.

```
func abbreviation(for aDate: Date) -> String?
```

## Parameters

`aDate`

The date for which to get the abbreviation for the receiver.

## Return Value

The abbreviation for the receiver at `aDate`.

## Discussion

Note that the abbreviation may be different at different dates. For example, during daylight saving time the US/Eastern time zone has an abbreviation of “EDT.” At other times, its abbreviation is “EST.”

---

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