# _Clock
<span class="source-link">[[Source]](src/time/time.md#L18)</span>
```pony
type _Clock is
  (_ClockRealtime val | _ClockMonotonic val)
```

#### Type Alias For

* ([_ClockRealtime](time-_ClockRealtime.md) val | [_ClockMonotonic](time-_ClockMonotonic.md) val)

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