Ionic 2 calendar view

Ionic Framework ionic-v3
1

hi guys,
I have a problem related to Calender,

this my event Array:

[
   {"title":"Chemistry","startTime":"2018-08-10T00:00:00.000Z","endTime":"2018-08-11T00:00:00.000Z","allDay":false,"remarks":"present"},
   {"title":"Chemistry","startTime":"2018-08-10T00:00:00.000Z","endTime":"2018-08-11T00:00:00.000Z","allDay":false,"remarks":"present"},
   {"title":"Chemistry","startTime":"2018-08-10T00:00:00.000Z","endTime":"2018-08-11T00:00:00.000Z","allDay":false,"remarks":"present"}
]

my calendar loading and displaying events but problem is on view, I want to show some extra tag on (onTimeSelected) event in view.
please see the image below:

Capture
Capture.JPG551×504 33.9 KB

how to do that
this is my html

<ion-content class="has-header">
    <calendar [eventSource]="eventSource"
              [calendarMode]="calendar.mode"
              [currentDate]="calendar.currentDate"
              (onCurrentDateChanged)="onCurrentDateChanged($event)"
              (onEventSelected)="onEventSelected($event)"
              (onTitleChanged)="onViewTitleChanged($event)"
              (onTimeSelected)="onTimeSelected($event)"
              step="30">
    </calendar>
</ion-content>

please help,
thanks