<DTa> = DT.fromtimestamp(<real>, <tz.>) # Aware datetime from seconds since Epoch.
```
* **ISO strings come in following forms: `'YYYY-MM-DD'`, `'HH:MM:SS.ffffff[±<offset>]'`, or both separated by an arbitrary character. Offset is formatted as: `'HH:MM'`.**
* **On Unix systems Epoch is `'1970-01-01 00:00 UTC'`, `'1970-01-01 01:00 CET'`, ...**
<li><strong>ISO strings come in following forms: <codeclass="python hljs"><spanclass="hljs-string">'YYYY-MM-DD'</span></code>, <codeclass="python hljs"><spanclass="hljs-string">'HH:MM:SS.ffffff[±<offset>]'</span></code>, or both separated by an arbitrary character. Offset is formatted as: <codeclass="python hljs"><spanclass="hljs-string">'HH:MM'</span></code>.</strong></li>
<li><strong>On Unix systems Epoch is <codeclass="python hljs"><spanclass="hljs-string">'1970-01-01 00:00 UTC'</span></code>, <codeclass="python hljs"><spanclass="hljs-string">'1970-01-01 01:00 CET'</span></code>, …</strong></li>