# TransitionDirection

`import { TransitionDirection } from "destack:time";`

Temporal transition direction.

```ds title="TransitionDirection"
export type TransitionDirection = "next" | "previous" | { direction: "next" | "previous" }
```

[language/library/src/time/zoned-date-time.ds:23:29](https://github.com/destack-sh/destack/blob/main/language/library/src/time/zoned-date-time.ds#L23-L29)