veritatisdoloremque/docs-exp/auth-types.idtokenresult.authtime.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth-types](./auth-types.md) &gt; [IdTokenResult](./auth-types.idtokenresult.md) &gt; [authTime](./auth-types.idtokenresult.authtime.md)

## IdTokenResult.authTime property

The authentication time formatted as a UTC string.

<b>Signature:</b>

```typescript
authTime: string;
```

## Remarks

This is the time the user authenticated (signed in) and not the time the token was refreshed.