title: Get data in specific time in Grafana
body: <p>I'm new in Grafana, I'm using Grafana with Prometheus database and I have some problem with it.</p>
  <p>I want to get <code>value at 2300</code> - <code>value at 0000</code>.</p>
  <p>But I can't find the way to get value at <code>2300</code> and <code>0000</code>.</p>
  <p>Is there any way to get value at specific time ?</p>
  <p>Thanks</p>