[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) › DurationLiteralDays

```ts
const DurationLiteralDays: union(
  templateLiteral(Digit1To6, "d"),
  templateLiteral(Digit1To6, ".", Digit1To9, "d"),
);
```

Defined in: [packages/common/src/Time.ts:464](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Time.ts#L464)

Days duration: `"1d"` to `"6d"` or `"1.1d"` to `"6.9d"`. See
[DurationLiteral](https://evolu.dev/docs/api-reference/common/Time/variables/DurationLiteral).