[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Types](https://evolu.dev/docs/api-reference/common/Types) › Digit1To59

```ts
type Digit1To59 =
  | Digit1To9
  | `1${Digit}`
  | `2${Digit}`
  | `3${Digit}`
  | `4${Digit}`
  | `5${Digit}`;
```

Defined in: [packages/common/src/Types.ts:288](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/Types.ts#L288)

Numeric string 1-59. Useful for minutes, seconds validation.