PPK has posted some excellent thinking on calendar widgets to Ev’s blog.
Here’s a geek advent calendar I missed. There are some great CSS techniques here.
As of today, every single public event on Facebook is marked up using hCalendar. Take the Great British Booze-up, for example…
A very handy tool for planning intercontinental communication.
It's a type drawer that's also an advent calendar. Responsive too. Check it every day between December 1st and 24th.
Geek Calendar is a celebration of the nerdishness of contemporary British life. It's also a project to raise money for libel reform.
A free iPhone/iPod Touch game for every day of advent.
A microformats article by yours truly, reworking a blog post from a while back about the value class pattern.
A proposal for decimal time and measurement. It'll never defeat inertia but I love seeing the thought process that's gone into it.
On the tenth day of Newton, My true love gave to me, Ten drops of genius, Nine silver co-oins, Eight circling planets, Seven shades of li-ight, Six counterfeiters, Cal-Cu-Lus! Four telescopes, Three Laws of Motion, Two awful feuds, And â€¦
A rundown of microformat-extracting tools. "Ultimately, microformats are a bit like plumbing. They donâ€™t do very much on their own, but if you make use of the data they provide, you can quickly and easily create useful functionality your visitors â€¦
An advent calendar from the Hubble telescope. Check back every day for a new image.
Like 24 Ways, this is an advent calendar for geeks. But this one is focused on PHP.
A handy microformats toolkit from Microsoft(!) making it easier for developers to write, style and find microformats (hCard and hCalendar in particular). Neat!
A good, detailed hands-on article about implementing hCalendar.
Microformats + Greasemonkey = Monkeyformats. Is there a site that you wish used microformats? Write a userscript and share it here.
An iPhone-optimised schedule for South by Southwest.
The idea I like most from this portfolio is the heat-sensitive wallpaper with blooming flowers.
Oh yes! A plugin for Safari that will detect, display and export hCard and hCalendar data. Caveat: it only works on Leopard so, because I haven't upgraded yet, I haven't had a chance to testdrive this yet myself.