[**hijri-core v1.0.1**](../README.md) *** [hijri-core](../README.md) / daysInHijriMonth # Function: daysInHijriMonth() > **daysInHijriMonth**(`hy`, `hm`, `options?`): `number` Defined in: [index.ts:96](https://github.com/acamarata/hijri-core/blob/94bc28ebc35ae2f3cb39db5be34561152a5b899d/src/index.ts#L96) Return the number of days in a given Hijri month. ## Parameters ### hy `number` Hijri year ### hm `number` Hijri month (1-12) ### options? [`ConversionOptions`](../interfaces/ConversionOptions.md) conversion options (calendar engine selection) ## Returns `number` 29 or 30 ## Throws if the month or year is out of range