<div class="progress">
<div class="progress-bar bg-transparent" role="progressbar" style="width: 10%"></div>
<div class="progress-bar" role="progressbar" style="width: 20%" aria-valuemin="0" aria-valuemax="100">8:30-12:00</div>
<div class="progress-bar bg-transparent" role="progressbar" style="width: 20%"></div>
<div class="progress-bar" role="progressbar" style="width: 25%" aria-valuemin="0" aria-valuemax="100">15:00-18:00</div>
</div>
https://www.codeply.com/go/A9mNyW8geC