+++
# -----------------------------------------------------------------------
# Do not edit this file. It is automatically generated by API Documenter.
# -----------------------------------------------------------------------
title = "isValid"
keywords = ["grafana","documentation","sdk","@grafana/data"]
type = "docs"
+++
## dateMath.isValid() function
### dateMath.isValid() function
Checks if text is a valid date which in this context means that it is either a Moment instance or it can be parsed by parse function. See parse function to see what is considered acceptable.
Signature
```typescript
export declare function isValid(text: string | DateTime): boolean;
```
Import
```typescript
import { dateMath } from '@grafana/data';
const { isValid } = dateMath;
```
Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| text | string | DateTime
| |
Returns:
`boolean`