[**date-fns-hijri v1.0.1**](../README.md) *** [date-fns-hijri](../README.md) / startOfHijriMonth # Function: startOfHijriMonth() > **startOfHijriMonth**(`date`, `options?`): `Date` Defined in: [src/index.ts:315](https://github.com/acamarata/date-fns-hijri/blob/e8ade1f9c489d2317f2f324f2a54bebcb30e4d6f/src/index.ts#L315) Get the first day of the Hijri month that contains the given date. ## Parameters ### date `Date` ### options? [`ConversionOptions`](../interfaces/ConversionOptions.md) ## Returns `Date` ## Throws If the date is outside the supported range.