[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
type DurationLiteralDays = `${Digit1To6}d` | `${Digit1To6}.${Digit1To9}d`;
```

Defined in: [packages/common/src/Time.ts:259](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/Time.ts#L259)

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