[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Time](https://evolu.dev/docs/api-reference/common/Time) › DurationLiteral

```ts
type DurationLiteral =
  | DurationLiteralMilliseconds
  | DurationLiteralSeconds
  | DurationLiteralMinutes
  | DurationLiteralHours
  | DurationLiteralDays
  | DurationLiteralWeeks
  | DurationLiteralYears;
```

Defined in: [packages/common/src/Time.ts:638](https://github.com/evoluhq/evolu/blob/dd96d79f1dbe9a49fa12ce8e0aa7d3d0177795ca/packages/common/src/Time.ts#L638)

Duration literal string, from [DurationLiteralMilliseconds](https://evolu.dev/docs/api-reference/common/Time/variables/DurationLiteralMilliseconds) to
[DurationLiteralYears](https://evolu.dev/docs/api-reference/common/Time/variables/DurationLiteralYears).