New Twiddle

controllers.application\.js

import Controller from '@ember/controller';
import { tracked } from '@glimmer/tracking';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
  @tracked time = '11:00';
  onChange = (event) => {
    console.log(event);
  }
}

styles.app\.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

@import url('https://fonts.googleapis.com/css2?family=Lato&display=swap');

input {
  font-family: 'Lato', sans-serif;
  margin: 5px;
}

input[type="time"] {
  padding: 5px;
  width: 150px;
  text-align: center;
  font-size: 1rem;
}

templates.application\.hbs

<h1>Time Input example</h1>

<Input type="time" @value={{this.time}} {{on 'change' this.onChange}} />

twiddle\.json

{
  "version": "0.17.1",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
    "ember": "3.18.1",
    "ember-template-compiler": "3.18.1",
    "ember-testing": "3.18.1"
  },
  "addons": {
    "@glimmer/component": "1.0.0"
  }
}