[**hijri-core v1.0.1**](../README.md) *** [hijri-core](../README.md) / isValidHijriDate # Function: isValidHijriDate() > **isValidHijriDate**(`hy`, `hm`, `hd`, `options?`): `boolean` Defined in: [index.ts:78](https://github.com/acamarata/hijri-core/blob/94bc28ebc35ae2f3cb39db5be34561152a5b899d/src/index.ts#L78) Check whether a Hijri date is valid for the given calendar engine. ## Parameters ### hy `number` Hijri year ### hm `number` Hijri month (1-12) ### hd `number` Hijri day (1-30) ### options? [`ConversionOptions`](../interfaces/ConversionOptions.md) conversion options (calendar engine selection) ## Returns `boolean` true if the date is valid