[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [local‑first/Timestamp](https://evolu.dev/docs/api-reference/common/local-first/Timestamp) › eqTimestamp

```ts
const eqTimestamp: Eq<{
  counter: number &
    Brand<"Int"> &
    Brand<"NonNegative"> &
    Brand<"LessThanOrEqualTo65535"> &
    Brand<"Counter">;
  millis: number &
    Brand<"Int"> &
    Brand<"NonNegative"> &
    Brand<"LessThan281474976710655"> &
    Brand<"Millis">;
  nodeId: string & Brand<"NodeId">;
}>;
```

Defined in: [packages/common/src/local-first/Timestamp.ts:167](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/local-first/Timestamp.ts#L167)

Equality function for comparing [Timestamp](https://evolu.dev/docs/api-reference/common/local-first/Timestamp/variables/Timestamp).