[**date-fns-hijri v1.0.1**](../README.md) *** [date-fns-hijri](../README.md) / getDaysInHijriMonth # Function: getDaysInHijriMonth() > **getDaysInHijriMonth**(`hy`, `hm`, `options?`): `number` Defined in: [src/index.ts:107](https://github.com/acamarata/date-fns-hijri/blob/a86df7dc09266326214c15cbd459de48d21cea29/src/index.ts#L107) Get the number of days in a Hijri month (29 or 30). ## Parameters ### hy `number` ### hm `number` ### options? [`ConversionOptions`](../interfaces/ConversionOptions.md) ## Returns `number` ## Throws If the year is outside the calendar's supported range.