[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:581](https://github.com/evoluhq/evolu/blob/dd96d79f1dbe9a49fa12ce8e0aa7d3d0177795ca/packages/common/src/Time.ts#L581)

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