1608380539243 to date format in ionic code example
Example 1: ion datetime interval 30 minutes
<ion-datetime displayFormat="HH:mm" [(ngModel)]="myDate" minuteValues="0,30">
Example 2: ion datetime time current set
public date:any = new Date().toISOString();
...
<ion-datetime [(ngModel)]="date"
displayFormat="MMM DD, YYYY HH:mm"
formControlName="myDate">
</ion-datetime>