How to: Set a date with correct time in a SharePoint list item

When adding a SharePoint list item the one field type that has given me most problems is the SPDateTimeField:

First there is the question of entering the date in a format that SharePoint accepts. Then there is the problem of getting the time zone right.

Fortunately, neither of the two problems are actually hard to solve – Microsoft has tried to make life easy for us by supplying the tools we need to solve them quietly and efficiently.

How to get HTML5 content in SharePoint 2010

Suppose you want to use HTML5 elements on your SharePoint 2010 site? You create a web part that renders the content as HTML5, for example using <canvas> or <svg> to render dynamic graphical content. The graphics show up fine in FireFox, Chrome etc, but in Internet Explorer it doesn't appear at all, or it is rendered incorrectly. You double-check to ensure that you are using Internet Explorer 9 or later, which is HTML5 compatible. Still the problem persists. How do we solve this?