Just a couple of sites that feature calendars, since many of us will want/need new ones this week:

TimeAndDate.com features resources involving, you guessed it, times and dates. Check out their customized calendar generator at the top of the right column. This is a sample result that can be handy in many situations.

And, as mentioned last September, you may like the 2008 Open Access Calendar (Pdf) from Alma Swan of Key Perspectives.