I need to limit minutes if hour selected is equal to current hour. using ionic datetime

[PrakharSambhav]

        <ion-datetime pickerFormat="HH:mm" [hourValues]="hours" [minuteValues]="minutes" displayFormat="HH:mm" formControlName="time"></ion-datetime>
        <ion-icon name="md-time" item-right></ion-icon> 
    </ion-item>